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
)
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