chemistry paper

Name: __________________________________ (

)

Class: 4Q

HWA CHONG INSTITUTION
PRELIMINARY EXAMINATION 2010

CHEMISTRY 5072
Paper 1
Time: 1 hour

INSTRUCTIONS TO CANDIDATES
Do not turn the pages over until you are told to do so.
Write your name and index number on the answer sheet in the spaces provided.
There are forty questions on this paper. Attempt all questions. For each question, there are four possible answers labelled A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate answer sheet.
Read very carefully the instructions on the answer sheet.

INFORMATION FOR CANDIDATES
Each correct answer will score one mark. A mark will not be deducted for a wrong answer. A copy of the Periodic table is printed on page 2.
A copy of the Data Sheet is printed on page 18.

______________________________________________________
This question paper consists of 18 printed pages (including this page)

Group
I

II

III

IV

V

VI

VII

0

1

4

H

He

Hydrogen

Helium

1
7

9

11

12

14

16

19

2
20

Li

Be

B

C

N

O

F

Ne

Lithium

Beryllium

Boron

Carbon

Nitrogen

Oxygen

Fluorine

Neon

3
23

4
24

5
27

6
28

7
31

8
32

9
35.5

10
40

Na

Mg

Al

Si

P

S

Cl

Ar

Sodium

Magnesium

Aluminium

Silicon

Phosphorus

Sulphur

Chlorine

Argon

11
39

13
70

14
73

15

40

16
79

17
80

18
84

12
45

48

51

52

55

56

59

59

64

65

75

K

Ca

Sc

Ti

V

Cr

Mn

Fe

Co

Ni

Cu

Zn

Ga

Ge

As

Se

Br

Kr

Potassium

Calcium

Scandium

Titanium

Vanadium

Chromium

Manganese

Iron

Cobalt

Nickel

Copper

Zinc

Gallium

Germanium

Arsenic

Selenium

Bromine

Krypton

24
96

25

31
115

32
119

33
122

34
128

35
127

36