endstream endobj 48 0 obj <>>>/Metadata 25 0 R/PageLabels 43 0 R/Pages 45 0 R/Type/Catalog>> endobj 49 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>>>/Rotate 0/Type/Page>> endobj 50 0 obj <>stream ^�s��\�2��`�����t�3ʹ���8��b�,mac��C� ����y�BH*{���l�J�)�@Ig���qù0DW c���O�`�}���b�h�b �G�l��c��{Iuw+p������]�ڀʂ�J�ጞ֠%��Tp��A����H1p��{}��SD?c!ù�X�*POP��T�8-�r��q���:�����xݗ�@!�ۺ�;�� s��+VL�rc[K�p. ��fI-� ƈ�F��F��l��@��q�4 - ��`K����tNu��j��S�{fPR��,A����s��.�s��O���!�f�. Files: 0620_m17_ci_52.pdf : 0620_m17_er.pdf : 0620_m17_gt.pdf : 0620_m17_ms_12.pdf : 0620_m17_ms_22.pdf : 0620_m17_ms_32.pdf : 0620_m17_ms_42.pdf If you are requesting a feture or a change, please give example of how to improve / implementation. Provide your feedback in either English or Chinese.. 3.2 is a pedigree chart showing the inheritance of colour blindness in a family. 8 UCLES 2017 0610/42/F/M/17 (c) Colour blindness is a sex-linked characteristic. or 2F– F 2 –+ 2e [5] (d) (i) Has an impervious or non-porous or passive or unreactive or protective oxide layer [1] (ii)two from: Any good conductor of heat high melting point Unreactive towards foods [2] 3 (a) (i) C4H8 only CH2 (Allow C1H2) [2] (ii) Any unambiguous structural formula of methyl cyclopropane or but-1-ene or but-2-ene or o×Ããéåp%UÜþÝ»Ý_÷Üw}¤Þ`l|ëvû¿mÐÈY407Ñà@pÂ2dÿëóM}Üþµ‹ÙÇíù|øåۍÂj¾SXà…õõë®{Ø^_S% Cambridge International Examinations Cambridge International General Certiicate of Secondary Education This document consists of 13 printed pages and 3 blank pages. Mark Scheme of Cambridge IGCSE Chemistry 0620 Paper 42 Summer or May June 2017 examination. 200 180 160 140 120 100 80 60 40 20 0 0 123456 time / minutes temperature / °C CHEMISTRY 0620/42 Paper 4 Theory (Extended) February/March 2016 1 hour 15 minutes Candidates answer on the Question Paper. It does not indicate the It does not indicate the 9701_m17_ms_22 CIE – 9701 Chemistry March 2017, Question Paper and Mark scheme Tagged on: 9701 chemistry cie March 2017 Mark scheme question paper The gene for colour vision is on the X chromosome. Mark Scheme of Cambridge IGCSE Chemistry 0620 Paper 42 Winter or October November 2016 examination. For an M mark to be scored, the point to which it refers must be seen in a candidate's answer. �};|�}wu�>,�cw�J�������b���|7u��c�ïӋ�i1�''��N/��ً=�٫��z�iqם�*��^^[�uo~lo~�V�x�|�}����b�_0��?Р���`��B8��U�� �z��7���˛q5-������v��6ONoֿ�O�����w�'L+- �օϜv����V���z5����0qJ�Hd�����������f�Z�1�^/>�����~q�RƯ��8��8[�C�F�hw9-��OW�w#-:��~V�V�q)5�,����O;H�AMp��4���.W�ġ����z�����⾛ �]��!�ė�d����D5��T�@��]�{r+=X\�|�W�̌!І啍e0F, endstream endobj startxref Cambridge International Examinations Cambridge International General Certiicate of Secondary Education This document consists of 13 printed pages and 3 blank pages. Past Papers Of Cambridge International Examinations (CIE)/IGCSE/Physics (0625)/2017 Mar/0625_m17_ms_42.pdf | PapaCambridge [l� Write in dark blue or black pen. UCLES 2017 0620/42/F/M/17 15. Learners gain an understanding of the basic principles of Chemistry through a mix of theoretical and practical studies. It shows the basis on which Examiners were instructed to award marks. (f) sodium [1] [Total:6] 2 (a) Atoms of the same element / atoms with same proton number / atoms with same atomic number [1] different neutron number / nucleon number / mass number [1] (b) particle number of protons number of electrons number of neutrons nucleon number symbol or formula A … No Additional Materials are required. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. 1(a)(v) M1 F M2 B 2 1(a)(vi) M1 G M2 H 2 1(b)(i) a shared pair of electrons (between two atoms) M1 shared electrons M2 pair of / two electrons 2 1(b)(ii) M1 three correct bonding pairs from one N atom to each of three F atoms M2 (3 pairs of) non-bonding electrons on each of three F … 47 0 obj <> endobj Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. �3� ��.� Fig. CHEMISTRY 0620/42 Paper 4 Theory (Extended) May/June 2017 MARK SCHEME Maximum Mark: 80 Published This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. If a candidate fails to score a particular M mark, then none of the dependent marks can be scored. It shows the basis on which Examiners were instructed to award marks. BLANK PAGE. h�b```�*��� ���� You may use an HB pencil for any diagrams or graphs. 0 Cambridge International Examinations Cambridge International General Certificate of Secondary Education This document consists of 14 printed pages and 2 blank pages. ... Microsoft Word - 0620_w16_ms_42 Author: browst hެXmoG�+�1�]�����$.I/v��A�7�p�dH���}ά�(u�k���3C�|H��*&e����*��JZYT2ʦ��U�Z��r%:λ�����Qy����O�Y��JE����Z���? ìéõ꾉ô¶»ƒíI~ºç‹Zûpüå|¸ÝŸÉòöU¯o¿ž®*×­¯'6¤’ÃìÔ~»‡ÃË/×çÇ/ÄGÝK^Támw—‰äç×Ëá,çr?žÆIÎ.Þ/Qr§+)•i—ìx2pùT©U¤lµ§|&Ïl.m½D¯éŠTD¥@â\D’mE$)Ôì}Øol=-úžÕ4*ÍÓæÝ~‰©Šf~7G‰ö…J6$Ú¤6ÕÜ]Ž´3U.‡LFÌQÊánTÆT¯Ço/§Ë›;¾^nTˆT!ÇöõIOBÚ1úVZ2æ,ìuîŸàk™¹Š0ûõë¾^Ÿ/o\ïìéëáËéæég7ò€Èk g&/õêKqý³‰—ï ;¥ZÏ29Ì'v_Ûì¼Ç¿Ý_~üðÉ¥ww•*¢êߝü;ö¡O®ŸÓì!ÎQ}Þ»^Üëo'Kð?6Ñ=» ¦äi> §;Rþ€óü³»ü¿L“¯Þûʝ”ÏÕ¬ÿÄçü¾øŒ?äqö¿ªïþý(û?=D÷îýÈ7A°/UyCGGÈ©ˆÇ0Œò—‡aô‘¸hÁ§ÝË&!RÙ§!8‹ Ñ$AAñ­—¥ ú6ú¿:e67õÐÝqøEÑΔå³*9¨]¬ÌaL†š«Ô?m{Mè*U Å§‚Bý¼ÂÙתє–]I> Hâhå–Ä^öÐEP*ûK”ÑÌB©³ÉH7uêWj¶šÙ:å,T†¹g‚ÁW:33 zX”]Dj­³DKaàóÁØÁ²Ü#¸Ð½Bž™ÄJáõJYDÔf'ŸŽ¹¦ CHEMISTRY 0620/42 Paper 4 Extended Theory October/November 2016 MARK SCHEME Maximum Mark: 80 Published This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. IGCSE Chemistry 0620 Past Papers About IGCSE Chemistry Syllabus The Cambridge IGCSE Chemistry syllabus enables learners to understand the technological world in which they live, and take an informed interest in science and scientific developments. %PDF-1.7 %���� Starting from poin t ×, sketch on the grid how the temperature of the sample of pure Z changed between 0 minutes and 8 minutes. �f`�� 65 0 obj <>/Filter/FlateDecode/ID[<5835E2ED88C6F4ABFBA74F60AA64071F>]/Index[47 35]/Info 46 0 R/Length 92/Prev 127834/Root 48 0 R/Size 82/Type/XRef/W[1 2 1]>>stream If you are requesting for supporting a new syllabus, please provide link to the cie.org.uk page of that syllabus, and if possible, link for finding its past papers (especially s/w 19). %%EOF Get latest Cambridge IGCSE Biology Past Papers, Marking Schemes, Specimen Papers, Examiner Reports and Grade Thresholds. UCLES 2017 0620/42/F/M/17 [Turn over 14. CHEMISTRY 0620/42 Paper 4 Theory (Extended) February/March 2018 1 hour 15 minutes Candidates answer on the Question Paper. 3(f)(ii) M1 nitrogen dioxide / nitrogen(IV) oxide M2 brown (gas) 2 3(f)(iii) 2Cu(NO 3) 2 → 2CuO + 4NO 2 + O 2 1 3(g)(i) zinc acts as a barrier which prevents contact between iron and water and air / oxygen 1 3(g)(ii) SUMMARY M1 comparison of reactivity M2 zinc loses electrons M3 where electrons move to OR iron does not lose electrons BLANK PAGE. There are two alleles of this gene: • B is the allele for normal colour vision • b is the allele for colour blindness. No Additional Materials are required. ¨XåìÔajŽ›gîX Dfõ)×!`ò•î! @ÎÑ (FB–œeR£ tZM5o¦°ˆ¥Q iy*BØꀼ›.´‹ºZ×晆ëOó}î#ELÿ¦$ÿ¢”³õ…¡é,/“ &ºzÁHŽT“$ÀA:GȘÎe:ï ¡¼tßC\lire›% ¯ç߇ÁáK9õiÓË$`?IÀ‹L#!•ô*WfjŠãR0EƵ­J. ... Microsoft Word - 0625_m16_ms… h�bbd``b`z$�@D���$�b��H�� ��@B�H��B� %�@�+�-HH������.�)�L���,Fʉ���> � 9 The total time taken was 8 minutes. 81 0 obj <>stream M marks are method marks upon which further marks depend. CAIE IGCSE Biology 0610 Past Papers �x��` г������t�e'��1� _��0�Z q2�g� (f) A sample of pure Z was allowed to cool from 120 °C to 20 °C. It shows the basis on which Examiners were instructed to award marks. Files: 0620_m17_ci_52.pdf : 0620_m17_er.pdf : 0620_m17_gt.pdf : 0620_m17_ms_12.pdf : 0620_m17_ms_22.pdf : 0620_m17_ms_32.pdf : 0620_m17_ms_42.pdf CHEMISTRY 0620/42 Paper 4 Theory (Extended) March 2017 MARK SCHEME Maximum Mark: 80 Published This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. CHEMISTRY 0620/42 Paper 4 Theory (Extended) October/November 2018 1 hour 15 minutes Candidates answer on the Question Paper. 0620/42/M/J/16-Q4 0620/43/O/N/16-5 (f) Sulfuric acid reacts with a hydrocarbon called benzene to produce benzenesulfonic acid, C 6 H 5 SO 3 H. Benzenesulfonic acid is a strong acid which ionises to produce hydrogen ions, H +, and benzenesulfonate ions, C 6 …

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