{"id":703,"date":"2024-04-11T01:47:47","date_gmt":"2024-04-10T22:47:47","guid":{"rendered":"https:\/\/sisu.ut.ee\/heritage-analysis\/self-test-6-1\/"},"modified":"2024-04-11T01:47:47","modified_gmt":"2024-04-10T22:47:47","slug":"self-test-6-1","status":"publish","type":"page","link":"https:\/\/sisu.ut.ee\/heritage-analysis\/self-test-6-1\/","title":{"rendered":"SELF TEST 6.1"},"content":{"rendered":"<div id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam11\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-11\"><h2><span style=\"color: #000000;\">Questions about practical aspects of <\/span><span style=\"color: #b22222;\"><strong>chromatography<\/strong><\/span>.<\/h2>\n<p>\u00a0<\/p>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-11\" enctype=\"multipart\/form-data\">\n<div class=\"watu-question \" id=\"question-1\" style=\";\"><div id=\"questionWrap-1\" class=\"  watupro-required-81 watupro-question-id-81\">\n\t\t\t<div class=\"question-content\"><div><p>Using the HPLC technique, you have to determine the lipid components in a paint sample taken from a 20th century painting. Which of the following statement is true?<\/p><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_1\" value=\"81\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType81\" class=\"answerTypeCnt1\" value=\"checkbox\"><input type=\"hidden\" id=\"watupro-required-question-81\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices81\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-81[]\" id=\"answer-id-371\" class=\"answer   answerof-81 \" value=\"371\"><label for=\"answer-id-371\" id=\"answer-label-371\" class=\" answer\"><span><p>Non-polar solvent (e.g., hexane, tetrahydrofuran) is used for extracting the lipids. The analysis is carried out with RP-HPLC.<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-81[]\" id=\"answer-id-372\" class=\"answer   answerof-81 \" value=\"372\"><label for=\"answer-id-372\" id=\"answer-label-372\" class=\" answer\"><span><p>A multi-step extraction is needed to extract the lipids, starting with a mild solvent (like ethanol), finishing with a strong HCl solution. The analysis is carried out with NP-HPLC.<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-81[]\" id=\"answer-id-373\" class=\"answer   answerof-81 \" value=\"373\"><label for=\"answer-id-373\" id=\"answer-label-373\" class=\" answer\"><span><p>Lipids are extracted with water from the paint sample. The analysis is carried out with SEC.<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-2\" style=\";\"><div id=\"questionWrap-2\" class=\"  watupro-required-82 watupro-question-id-82\">\n\t\t\t<div class=\"question-content\"><div><p>Choose the correct statement that applies to analysing samples with HPLC. <span style=\"font-size:12px;\">(There can be one or more correct answers)<\/span><\/p><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_2\" value=\"82\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType82\" class=\"answerTypeCnt2\" value=\"checkbox\"><input type=\"hidden\" id=\"watupro-required-question-82\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices82\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-82[]\" id=\"answer-id-374\" class=\"answer   answerof-82 \" value=\"374\"><label for=\"answer-id-374\" id=\"answer-label-374\" class=\" answer\"><span><p>Insoluble samples can be analysed<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-82[]\" id=\"answer-id-375\" class=\"answer   answerof-82 \" value=\"375\"><label for=\"answer-id-375\" id=\"answer-label-375\" class=\" answer\"><span><p>Sample must be fully dissolved and should be filtered prior to injecting into the system<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-82[]\" id=\"answer-id-376\" class=\"answer   answerof-82 \" value=\"376\"><label for=\"answer-id-376\" id=\"answer-label-376\" class=\" answer\"><span><p>The analysed sample solution must be clear and without any colour<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-82[]\" id=\"answer-id-377\" class=\"answer   answerof-82 \" value=\"377\"><label for=\"answer-id-377\" id=\"answer-label-377\" class=\" answer\"><span><p>At least 5 ml of sample solution is needed<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-82[]\" id=\"answer-id-378\" class=\"answer   answerof-82 \" value=\"378\"><label for=\"answer-id-378\" id=\"answer-label-378\" class=\" answer\"><span><p>A wide variety of compounds with different chemical properties can be analysed<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-82[]\" id=\"answer-id-379\" class=\"answer   answerof-82 \" value=\"379\"><label for=\"answer-id-379\" id=\"answer-label-379\" class=\" answer\"><span><p>Analysed compounds must be volatile<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-3\" style=\";\"><div id=\"questionWrap-3\" class=\"  watupro-required-83 watupro-question-id-83\">\n\t\t\t<div class=\"question-content\"><p>Match the material under the investigation to the preferred GC method.\u00a0<b> <\/b><\/p><div class=\"question-choices\"><table class=\"question-choices watupro-matrix-droppable\" id=\"watuPROMatrixDroppable_83\"><tr><td class=\"watupro-matrix-left-cell\">Volatile degradation products from paper<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable83\" id=\"watuPRODroppableCell380\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-0-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell380', 0);return false;\">GC-MS<!--WTPMD5196b5cae74a56bfeed69c7866023451c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell380', 1);return false;\">SPME GC-MS<!--WTPMD5c429196d829db8d17cef6234ad3b56ce--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell380', 2);return false;\">Py-GC-MS<!--WTPMD59b1dee593b21acd18fa391a819a28ba4--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell380', 3);return false;\">GC-MS and Py-GC-MS<!--WTPMD582948c8134d09ee2cef6fb8eac67a58c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-83 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell380\" name=\"matrix-left-380\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">Aged synthetic acrylic paint<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable83\" id=\"watuPRODroppableCell381\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-1-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell381', 0);return false;\">GC-MS<!--WTPMD5196b5cae74a56bfeed69c7866023451c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell381', 1);return false;\">SPME GC-MS<!--WTPMD5c429196d829db8d17cef6234ad3b56ce--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell381', 2);return false;\">Py-GC-MS<!--WTPMD59b1dee593b21acd18fa391a819a28ba4--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell381', 3);return false;\">GC-MS and Py-GC-MS<!--WTPMD582948c8134d09ee2cef6fb8eac67a58c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-83 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell381\" name=\"matrix-left-381\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">Dried linseed oil from the oil paint<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable83\" id=\"watuPRODroppableCell382\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-2-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell382', 0);return false;\">GC-MS<!--WTPMD5196b5cae74a56bfeed69c7866023451c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell382', 1);return false;\">SPME GC-MS<!--WTPMD5c429196d829db8d17cef6234ad3b56ce--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell382', 2);return false;\">Py-GC-MS<!--WTPMD59b1dee593b21acd18fa391a819a28ba4--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell382', 3);return false;\">GC-MS and Py-GC-MS<!--WTPMD582948c8134d09ee2cef6fb8eac67a58c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-83 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell382\" name=\"matrix-left-382\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">Fresh poppy oil<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable83\" id=\"watuPRODroppableCell383\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-3-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell383', 0);return false;\">GC-MS<!--WTPMD5196b5cae74a56bfeed69c7866023451c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell383', 1);return false;\">SPME GC-MS<!--WTPMD5c429196d829db8d17cef6234ad3b56ce--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell383', 2);return false;\">Py-GC-MS<!--WTPMD59b1dee593b21acd18fa391a819a28ba4--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell383', 3);return false;\">GC-MS and Py-GC-MS<!--WTPMD582948c8134d09ee2cef6fb8eac67a58c--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-83 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell383\" name=\"matrix-left-383\" value=\"\"><\/td><\/tr><\/table><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_3\" value=\"83\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType83\" class=\"answerTypeCnt3\" value=\"nmatrix\"><input type=\"hidden\" id=\"watupro-required-question-83\"><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-4\" style=\";\"><div id=\"questionWrap-4\" class=\"  watupro-required-84 watupro-question-id-84\">\n\t\t\t<div class=\"question-content\"><div><p>Why is derivatisation used with GC analysis? <span style=\"font-size:12px;\">(There can be one or more correct answers)<\/span><\/p><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_4\" value=\"84\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType84\" class=\"answerTypeCnt4\" value=\"checkbox\"><input type=\"hidden\" id=\"watupro-required-question-84\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices84\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-84[]\" id=\"answer-id-384\" class=\"answer   answerof-84 \" value=\"384\"><label for=\"answer-id-384\" id=\"answer-label-384\" class=\" answer\"><span><p>To improve the separation of different compounds<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-84[]\" id=\"answer-id-385\" class=\"answer   answerof-84 \" value=\"385\"><label for=\"answer-id-385\" id=\"answer-label-385\" class=\" answer\"><span><p>To increase the volatility of the compounds<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-84[]\" id=\"answer-id-386\" class=\"answer   answerof-84 \" value=\"386\"><label for=\"answer-id-386\" id=\"answer-label-386\" class=\" answer\"><span><p>To increase the thermal stability of the compounds<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-84[]\" id=\"answer-id-387\" class=\"answer   answerof-84 \" value=\"387\"><label for=\"answer-id-387\" id=\"answer-label-387\" class=\" answer\"><span><p>To decrease the volume of the sample solution<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-84[]\" id=\"answer-id-388\" class=\"answer   answerof-84 \" value=\"388\"><label for=\"answer-id-388\" id=\"answer-label-388\" class=\" answer\"><span><p>To decrease contamination in the instrument<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-84[]\" id=\"answer-id-389\" class=\"answer   answerof-84 \" value=\"389\"><label for=\"answer-id-389\" id=\"answer-label-389\" class=\" answer\"><span><p>To increase the solubility of the compounds<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-84[]\" id=\"answer-id-390\" class=\"answer   answerof-84 \" value=\"390\"><label for=\"answer-id-390\" id=\"answer-label-390\" class=\" answer\"><span><p>To increase the peak heights of the compounds<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-84[]\" id=\"answer-id-391\" class=\"answer   answerof-84 \" value=\"391\"><label for=\"answer-id-391\" id=\"answer-label-391\" class=\" answer\"><span><p>To decrease the adsorption of the compounds in the injector<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-5\" style=\";\"><div id=\"questionWrap-5\" class=\"  watupro-required-85 watupro-question-id-85\">\n\t\t\t<div class=\"question-content\"><div><p>Which of the following procedures improves the GC analysis of poorly volatile compounds?<span style=\"font-size:11px;\">\u00a0<\/span><span style=\"font-size:12px;\">(There can be one or more correct answers)\u00a0<\/span><\/p><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_5\" value=\"85\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType85\" class=\"answerTypeCnt5\" value=\"checkbox\"><input type=\"hidden\" id=\"watupro-required-question-85\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices85\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-85[]\" id=\"answer-id-392\" class=\"answer   answerof-85 \" value=\"392\"><label for=\"answer-id-392\" id=\"answer-label-392\" class=\" answer\"><span><p>Increasing the temperature in the oven<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-85[]\" id=\"answer-id-393\" class=\"answer   answerof-85 \" value=\"393\"><label for=\"answer-id-393\" id=\"answer-label-393\" class=\" answer\"><span><p>Derivatisation of the compound<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-85[]\" id=\"answer-id-394\" class=\"answer   answerof-85 \" value=\"394\"><label for=\"answer-id-394\" id=\"answer-label-394\" class=\" answer\"><span><p>Using Py-GC with derivatisation reagent<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-85[]\" id=\"answer-id-395\" class=\"answer   answerof-85 \" value=\"395\"><label for=\"answer-id-395\" id=\"answer-label-395\" class=\" answer\"><span><p>Using a C-18 column<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-85[]\" id=\"answer-id-396\" class=\"answer   answerof-85 \" value=\"396\"><label for=\"answer-id-396\" id=\"answer-label-396\" class=\" answer\"><span><p>Using solid phase extraction<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-6\" style=\";\"><div id=\"questionWrap-6\" class=\"  watupro-required-86 watupro-question-id-86\">\n\t\t\t<div class=\"question-content\"><div><p>Derivatization(s), where \u2013CH<sub>3<\/sub> group is added, include... <span style=\"font-size:12px;\">(there can be one or more correct answers)<\/span>:\u00a0<\/p><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_6\" value=\"86\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType86\" class=\"answerTypeCnt6\" value=\"checkbox\"><input type=\"hidden\" id=\"watupro-required-question-86\"><!-- end question-content--><\/div><div class=\"question-choices watupro-choices-columns \" id=\"questionChoices86\"><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-86[]\" id=\"answer-id-397\" class=\"answer   answerof-86 \" value=\"397\"><label for=\"answer-id-397\" id=\"answer-label-397\" class=\" answer\"><span><p>acid-catalysed methylation (ACM)<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-86[]\" id=\"answer-id-398\" class=\"answer   answerof-86 \" value=\"398\"><label for=\"answer-id-398\" id=\"answer-label-398\" class=\" answer\"><span><p>derivatisation with TMAH<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-86[]\" id=\"answer-id-399\" class=\"answer   answerof-86 \" value=\"399\"><label for=\"answer-id-399\" id=\"answer-label-399\" class=\" answer\"><span><p>liquid-liquid extraction<\/p><\/span><\/label><\/div><div class=\"watupro-question-choice  \" dir=\"auto\"><input type=\"checkbox\" name=\"answer-86[]\" id=\"answer-id-400\" class=\"answer   answerof-86 \" value=\"400\"><label for=\"answer-id-400\" id=\"answer-label-400\" class=\" answer\"><span><p>two-step derivatisation with BSTFA<\/p><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-7\" style=\";\"><div id=\"questionWrap-7\" class=\"  watupro-required-87 watupro-question-id-87\">\n\t\t\t<div class=\"question-content\"><p>Find the most suitable LC separation method for the materials.<\/p>\n<p><select name=\"gap_87_1\" class=\"watupro-gap answer answerof-87\"><option value=\"\"><\/option><option value=\"RP-HPLC\">RP-HPLC<\/option><option value=\"NP-HPLC\">NP-HPLC<\/option><option value=\"SEC\">SEC<\/option><\/select>\u00a0\u00a0Dyes extracted from fibres<\/p>\n<p><select name=\"gap_87_2\" class=\"watupro-gap answer answerof-87\"><option value=\"\"><\/option><option value=\"SEC\">SEC<\/option><option value=\"RP-HPLC\">RP-HPLC<\/option><option value=\"NP-HPLC\">NP-HPLC<\/option><\/select>\u00a0\u00a0Synthetic polymers|such as PVAc glue<\/p>\n<p><select name=\"gap_87_3\" class=\"watupro-gap answer answerof-87\"><option value=\"\"><\/option><option value=\"NP-HPLC\">NP-HPLC<\/option><option value=\"RP-HPLC\">RP-HPLC<\/option><option value=\"SEC\">SEC<\/option><\/select>\u00a0\u00a0Protein-based binders (e.g.|egg white|egg yolk) from paints<\/p>\n<p><select name=\"gap_87_4\" class=\"watupro-gap answer answerof-87\"><option value=\"\"><\/option><option value=\"NP-HPLC\">NP-HPLC<\/option><option value=\"SEC\">SEC<\/option><option value=\"RP-HPLC\">RP-HPLC<\/option><\/select>\u00a0\u00a0Resinous compounds extracted from pine tar<\/p>\n<p><select name=\"gap_87_5\" class=\"watupro-gap answer answerof-87\"><option value=\"\"><\/option><option value=\"SEC\">SEC<\/option><option value=\"NP-HPLC\">NP-HPLC<\/option><option value=\"RP-HPLC\">RP-HPLC<\/option><\/select>\u00a0\u00a0Oil and fat residues extracted from pottery<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<input type=\"hidden\" name=\"question_id[]\" id=\"qID_7\" value=\"87\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType87\" class=\"answerTypeCnt7\" value=\"gaps\"><input type=\"hidden\" id=\"watupro-required-question-87\"><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-8\" style=\";\"><div id=\"questionWrap-8\" class=\"  watupro-required-88 watupro-question-id-88\">\n\t\t\t<div class=\"question-content\"><div>Are the following statement true or false?\u00a0<\/div>\n<div>\u00a0<select name=\"gap_88_1\" class=\"watupro-gap answer answerof-88\"><option value=\"\"><\/option><option value=\"False\">False<\/option><option value=\"True\">True<\/option><\/select>\u00a0 \u00a0 With GC-FID|a compound can be identified only by comparing its retention time to the retention time of<\/div>\n<p style=\"margin-left: 80px;\">\u00a0the corresponding standard.<\/p>\n<p><select name=\"gap_88_2\" class=\"watupro-gap answer answerof-88\"><option value=\"\"><\/option><option value=\"True\">True<\/option><option value=\"False\">False<\/option><\/select> \u00a0 \u00a0LC-MS is only suitable for the qualitative analysis of volatile organic materials (acetic acid|alkanes|<\/p>\n<p style=\"margin-left: 80px;\">\u00a0monoterpenes|etc.).<\/p>\n<p><select name=\"gap_88_3\" class=\"watupro-gap answer answerof-88\"><option value=\"\"><\/option><option value=\"True\">True<\/option><option value=\"False\">False<\/option><\/select>\u00a0 \u00a0 With GC-MS|the identification of compounds can be verified with the help of a mass spectral database.<\/p>\n<p><select name=\"gap_88_4\" class=\"watupro-gap answer answerof-88\"><option value=\"\"><\/option><option value=\"True\">True<\/option><option value=\"False\">False<\/option><\/select>\u00a0 \u00a0 GC-MS is more suited for the analysis of complex samples (e.g.|aged binding materials with unknown<\/p>\n<p style=\"margin-left: 80px;\">\u00a0composition) than GC-FID.<\/p>\n<p><select name=\"gap_88_5\" class=\"watupro-gap answer answerof-88\"><option value=\"\"><\/option><option value=\"False\">False<\/option><option value=\"True\">True<\/option><\/select>\u00a0 \u00a0 GC-MS is more suited for the analysis of aged natural oils|fats|and natural resins than RP-HPLC-MS.<\/p>\n<p><select name=\"gap_88_6\" class=\"watupro-gap answer answerof-88\"><option value=\"\"><\/option><option value=\"True\">True<\/option><option value=\"False\">False<\/option><\/select>\u00a0 \u00a0 GC-MS is suitable for the qualitative analysis of pigments like\u00a0zinc white|chromium oxide green|cinnabar.<\/p>\n<p><select name=\"gap_88_7\" class=\"watupro-gap answer answerof-88\"><option value=\"\"><\/option><option value=\"False\">False<\/option><option value=\"True\">True<\/option><\/select>\u00a0 \u00a0 RP-HPLC with UV-Vis\/PDA detector is suitable for the quantitative analysis of textile dyes (madder|indigo|<\/p>\n<p style=\"margin-left: 80px;\">\u00a0cochineal|etc.).<\/p>\n<p><select name=\"gap_88_8\" class=\"watupro-gap answer answerof-88\"><option value=\"\"><\/option><option value=\"False\">False<\/option><option value=\"True\">True<\/option><\/select>\u00a0 \u00a0 RP-HPLC-MS is more suited for the analysis of aged and\/or polymerized materials (aged oil paint|modern<\/p>\n<p style=\"margin-left: 80px;\">\u00a0alkyd varnish|etc.) than Py-GC-MS.<\/p>\n<p><select name=\"gap_88_9\" class=\"watupro-gap answer answerof-88\"><option value=\"\"><\/option><option value=\"True\">True<\/option><option value=\"False\">False<\/option><\/select>\u00a0\u00a0\u00a0\u00a0GC-MS is suitable for the quantitative analysis of amino acid derivates obtained from the hydrolysis and<\/p>\n<p style=\"margin-left: 80px;\">\u00a0derivatisation of proteins.<\/p>\n<p>\u00a0<\/p>\n<div>\u00a0<\/div>\n<input type=\"hidden\" name=\"question_id[]\" id=\"qID_8\" value=\"88\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType88\" class=\"answerTypeCnt8\" value=\"gaps\"><input type=\"hidden\" id=\"watupro-required-question-88\"><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-9\" style=\";\"><div id=\"questionWrap-9\" class=\"  watupro-required-89 watupro-question-id-89\">\n\t\t\t<div class=\"question-content\"><p>A varnished wooden chair is exhibited in a glass box in a museum. Which GC method would be the most suitable for the described aim?<\/p>\n<p><select name=\"gap_89_1\" class=\"watupro-gap answer answerof-89\"><option value=\"\"><\/option><option value=\"Conventional GC-MS\">Conventional GC-MS<\/option><option value=\"Py-GC-MS\">Py-GC-MS<\/option><option value=\"SPME GC-MS\">SPME GC-MS<\/option><\/select>\u00a0 \u00a0\u00a0Determine if and what chemicals are in the air of the box.<\/p>\n<p><select name=\"gap_89_2\" class=\"watupro-gap answer answerof-89\"><option value=\"\"><\/option><option value=\"SPME GC-MS\">SPME GC-MS<\/option><option value=\"Conventional GC-MS\">Conventional GC-MS<\/option><option value=\"Py-GC-MS\">Py-GC-MS<\/option><\/select>\u00a0 \u00a0\u00a0Analyse a small piece of the wood without additional sample pre-treatment.<\/p>\n<p><select name=\"gap_89_3\" class=\"watupro-gap answer answerof-89\"><option value=\"\"><\/option><option value=\"SPME GC-MS\">SPME GC-MS<\/option><option value=\"Conventional GC-MS\">Conventional GC-MS<\/option><option value=\"Py-GC-MS\">Py-GC-MS<\/option><\/select>\u00a0 \u00a0\u00a0Identify if the varnish contains drying oil and if yes|identify all components of the drying oil.<\/p>\n<p><select name=\"gap_89_4\" class=\"watupro-gap answer answerof-89\"><option value=\"\"><\/option><option value=\"SPME GC-MS\">SPME GC-MS<\/option><option value=\"Conventional GC-MS\">Conventional GC-MS<\/option><option value=\"Py-GC-MS\">Py-GC-MS<\/option><\/select>\u00a0 \u00a0\u00a0Determine if the varnish contains synthetic polymers.<\/p>\n<input type=\"hidden\" name=\"question_id[]\" id=\"qID_9\" value=\"89\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType89\" class=\"answerTypeCnt9\" value=\"gaps\"><input type=\"hidden\" id=\"watupro-required-question-89\"><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class=\"watu-question \" id=\"question-10\" style=\";\"><div id=\"questionWrap-10\" class=\"  watupro-required-90 watupro-question-id-90\">\n\t\t\t<div class=\"question-content\"><p>A solution of organic compounds dissolved in hexane has been analysed with GC-MS. Please interpret the obtained chromatogram below and choose the correct compound (marked as A, B, C, D, or E) suitable for the description.\u00a0<\/p><p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" width=\"747\" height=\"472\" class=\"alignnone wp-image-169\" style=\"\" src=\"https:\/\/multisite.ut.ee\/wp-content\/uploads\/sites\/285\/chromatogram_st.png\" title=\"chromatogram_st.png\" alt=\"chromatogram_self_test\" srcset=\"https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/285\/chromatogram_st.png 747w, https:\/\/sisu.ut.ee\/wp-content\/uploads\/sites\/285\/chromatogram_st-300x190.png 300w\" sizes=\"auto, (max-width: 747px) 100vw, 747px\"><\/p><div class=\"question-choices\"><table class=\"question-choices watupro-matrix-droppable\" id=\"watuPROMatrixDroppable_90\"><tr><td class=\"watupro-matrix-left-cell\">The compound has the lowest boiling point.<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable90\" id=\"watuPRODroppableCell404\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-0-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell404', 0);return false;\">D<!--WTPMD5f623e75af30e62bbd73d6df5b50bb7b5--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell404', 1);return false;\">A<!--WTPMD57fc56270e7a70fa81a5935b72eacbe29--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell404', 2);return false;\">C<!--WTPMD50d61f8370cad1d412f80b84d143e1257--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell404', 3);return false;\">E<!--WTPMD53a3ea00cfc35332cedf6e5e9a32e94da--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell404', 4);return false;\">B<!--WTPMD59d5ed678fe57bcca610140957afab571--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-90 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell404\" name=\"matrix-left-404\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">The compound spent the longest time in the stationary phase.<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable90\" id=\"watuPRODroppableCell405\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-1-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell405', 0);return false;\">D<!--WTPMD5f623e75af30e62bbd73d6df5b50bb7b5--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell405', 1);return false;\">A<!--WTPMD57fc56270e7a70fa81a5935b72eacbe29--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell405', 2);return false;\">C<!--WTPMD50d61f8370cad1d412f80b84d143e1257--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell405', 3);return false;\">E<!--WTPMD53a3ea00cfc35332cedf6e5e9a32e94da--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell405', 4);return false;\">B<!--WTPMD59d5ed678fe57bcca610140957afab571--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-90 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell405\" name=\"matrix-left-405\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">The compound exited the column second.<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable90\" id=\"watuPRODroppableCell406\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-2-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell406', 0);return false;\">D<!--WTPMD5f623e75af30e62bbd73d6df5b50bb7b5--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell406', 1);return false;\">A<!--WTPMD57fc56270e7a70fa81a5935b72eacbe29--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell406', 2);return false;\">C<!--WTPMD50d61f8370cad1d412f80b84d143e1257--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell406', 3);return false;\">E<!--WTPMD53a3ea00cfc35332cedf6e5e9a32e94da--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell406', 4);return false;\">B<!--WTPMD59d5ed678fe57bcca610140957afab571--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-90 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell406\" name=\"matrix-left-406\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">From this compound, the highest number of ions was detected.<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable90\" id=\"watuPRODroppableCell407\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-3-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell407', 0);return false;\">D<!--WTPMD5f623e75af30e62bbd73d6df5b50bb7b5--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell407', 1);return false;\">A<!--WTPMD57fc56270e7a70fa81a5935b72eacbe29--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell407', 2);return false;\">C<!--WTPMD50d61f8370cad1d412f80b84d143e1257--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell407', 3);return false;\">E<!--WTPMD53a3ea00cfc35332cedf6e5e9a32e94da--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell407', 4);return false;\">B<!--WTPMD59d5ed678fe57bcca610140957afab571--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-90 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell407\" name=\"matrix-left-407\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">The compound has a retention time of 17.44 minutes.<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable90\" id=\"watuPRODroppableCell408\"><div class=\"question-choices\"><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-4-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell408', 0);return false;\">D<!--WTPMD5f623e75af30e62bbd73d6df5b50bb7b5--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell408', 1);return false;\">A<!--WTPMD57fc56270e7a70fa81a5935b72eacbe29--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell408', 2);return false;\">C<!--WTPMD50d61f8370cad1d412f80b84d143e1257--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell408', 3);return false;\">E<!--WTPMD53a3ea00cfc35332cedf6e5e9a32e94da--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell408', 4);return false;\">B<!--WTPMD59d5ed678fe57bcca610140957afab571--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-90 watupro-nmatrix-answer-field\" id=\"field-watuPRODroppableCell408\" name=\"matrix-left-408\" value=\"\"><\/td><\/tr><\/table><\/div><input type=\"hidden\" name=\"question_id[]\" id=\"qID_10\" value=\"90\" class=\"watupro-question-id\"><input type=\"hidden\" id=\"answerType90\" class=\"answerTypeCnt10\" value=\"nmatrix\"><input type=\"hidden\" id=\"watupro-required-question-90\"><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div style=\"display:none\" id=\"question-11\">\n\t<div class=\"question-content\">\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sisu.ut.ee\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\">\u00a0Loading...\t<\/div>\n<\/div>\n\n<br>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons11\">\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; Previous\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"View Results\">\n\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<input type=\"hidden\" name=\"quiz_id\" value=\"11\" id=\"watuPROExamID\">\n\t<input type=\"hidden\" name=\"start_time\" id=\"startTime\" value=\"2026-04-21 21:51:56\">\n\t<input type=\"hidden\" name=\"start_timestamp\" id=\"startTimeStamp\" value=\"1776808316\">\n\t<input type=\"hidden\" name=\"question_ids\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_questions\" value=\"81:371,372,373 | 82:374,375,376,377,378,379 | 83:380,381,382,383 | 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\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":280,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-703","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/sisu.ut.ee\/heritage-analysis\/wp-json\/wp\/v2\/pages\/703","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sisu.ut.ee\/heritage-analysis\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sisu.ut.ee\/heritage-analysis\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/heritage-analysis\/wp-json\/wp\/v2\/users\/280"}],"replies":[{"embeddable":true,"href":"https:\/\/sisu.ut.ee\/heritage-analysis\/wp-json\/wp\/v2\/comments?post=703"}],"version-history":[{"count":0,"href":"https:\/\/sisu.ut.ee\/heritage-analysis\/wp-json\/wp\/v2\/pages\/703\/revisions"}],"wp:attachment":[{"href":"https:\/\/sisu.ut.ee\/heritage-analysis\/wp-json\/wp\/v2\/media?parent=703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}