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1. UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS
International General Certificate of Secondary Education
MARK SCHEME for the October/November 2011 question paper
for the guidance of teachers
0620 CHEMISTRY
0620/11 Paper 1 (Multiple Choice), maximum raw mark 40
Mark schemes must be read in conjunction with the question papers and the report on the
examination.
• Cambridge will not enter into discussions or correspondence in connection with these mark schemes.
Cambridge is publishing the mark schemes for the October/November 2011 question papers for most
IGCSE, GCE Advanced Level and Advanced Subsidiary Level syllabuses and some Ordinary Level
syllabuses.

2. Page 2 Mark Scheme: Teachers’ version Syllabus Paper
IGCSE – October/November 2011 0620 11
© University of Cambridge International Examinations 2011
Question
Number
Key
Question
Number
Key
1 D 21 D
2 D 22 D
3 D 23 A
4 D 24 D
5 C 25 A
6 C 26 C
7 C 27 A
8 B 28 C
9 A 29 D
10 B 30 C
11 B 31 B
12 D 32 C
13 C 33 B
14 B 34 D
15 B 35 B
16 B 36 C
17 B 37 D
18 A 38 A
19 B 39 D
20 C 40 A