5070 Chemistry June 2003
1
FOREWORD ....................................................................................................................... 1
CHEMISTRY ....................................................................................................................... 2
GCE Ordinary Level ........................................................................................................................................ 2
Paper 5070/01 Multiple Choice ..................................................................................................................... 2
Paper 5070/02 Theory................................................................................................................................... 3
Paper 5070/03 Paper 3 – Practical Test ....................................................................................................... 7
Paper 5070/04 Alternative to Practical .......................................................................................................... 9
This booklet contains reports written by Examiners on the work of candidates in certain papers. Its contents
are primarily for the information of the subject teachers concerned.
5070 Chemistry June 2003
2
GCE Ordinary Level
Paper 5070/01
Multiple Choice
Question
Number
Key
Question
Number
Key
1
D
21
C
2
C
22
C
3
D
23
D
4
C
24
D
5
D
25
A
6
C
26
D
7
A
27
A
8
A
28
A
9
C
29
C
10
C
30
C
11
D
31
B
12
B
32
B
13
B
33
B
14
B
34
B
15
C
35
C
16
C
36
B
17
D
37
C
18
A
38
B
19
B
39
C
20
D
40
A
General comments
Only one question, Question 18, was found to be easy by almost all the entry. Question 28 produced a
great deal of guessing. Except for the two questions already referred to the Paper discriminated well
between the candidates and proved to be a good test of knowledge and understanding.
Comments on specific questions
Question 5
This was one of the few questions where an incorrect alternative was more popular than the correct answer.
Candidates had to realise that sulphuric acid was a diprotic a