Chemistry Past Paper Questions

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Q 1171:Buildings are being damaged by acid rain because it attacks:
A
Calcium Sulphate
B
Calcium Carbonate
C
Calcium Nitrate
D
Calcium Oxalate
Bahawalpur, 2016
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Q 1172:Depending on temperature variation, atmosphere is divided into regions:
A
1
B
2
C
3
D
4
Bahawalpur, 2016
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Q 1173:Formation process of ammonia by the combination of hydrogen and nitrogen was given by:
A
Dalton
B
Thomson
C
Haber
D
Waag
Bahawalpur, 2016
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Q 1174:General formula of alkyl radical is:
A
CnH2n+2
B
CnH2n-2
C
CnH2n+1
D
CnH2n
Bahawalpur, 2016
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Q 1175:In an irreversible reaction dynamic equilibrium is:
A
Never establishes
B
Establishes before the completion
C
Establishes after the completion of reaction
D
Establish readily
Bahawalpur, 2016
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Q 1176:In strong acidic solution the colour of litmus become:
A
Red
B
Blue
C
Yellow
D
Colourless
Bahawalpur, 2016
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Q 1177:Industrial chemistry deals with the manufacturing of compounds.
A
In the laboratory
B
On micro scale
C
On commercial scle
D
On economic scale
Bahawalpur, 2016
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Q 1178:How many times liquids are denser than gases:
A
100 Times
B
1000 Times
C
10000 times
D
100000 times
Bahawalpur, 2016
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Q 1179:Identify the compound which is not soluble in water:
A
C6H6
B
NaCl
C
KBr
D
MgCl2
Bahawalpur, 2016
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Q 1180:Formation of water from hydrogen and oxygen is:
A
Redox reaction
B
Acid-base reaction
C
Neutralization reaction
D
Decomposition reaction
Bahawalpur, 2016
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Total MCQs: 1548Page 118 of 155
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