Chemistry Past Paper Questions

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Q 891:Deficiency of vitamin E causes:
A
Rickets
B
Scurvy
C
Anaemta in babes
D
Night blindness
Gujranwala, 2017
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Q 892:Depending upon temperature variation, atmosphere is divided into how regions?
A
1
B
2
C
3
D
4
Gujranwala, 2017
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Q 893:For a reaction between PCL3 and Cl2 to from PCL5 , the units of Kc are:
A
dm-3
B
mol-1 dm-3
C
mol-1 dm3
D
dm3
Gujranwala, 2017
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Q 894:A reaction between an acid and a base produces:
A
Salt and water
B
Salt and gas
C
Salt and acid
D
Salt and bose
Gujranwala, 2017
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Q 895:A reaction between an acid and base produces.
A
Salt and gas
B
Salt and water
C
Salt and acid
D
Salt and base
Gujranwala, 2017
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Q 896:6th and 7th period of the long form of periodic table are called:
A
Short periods
B
Normal periods
C
Long periods
D
Very long periods
Gujranwala, 2017
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Q 897:Atomic number of calcium is:
A
11
B
12
C
19
D
20
Gujranwala, 2017
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Q 898:Atomic number of element was discovered by:
A
H. Moseley
B
New Lands
C
Thomson
D
Crooks
Gujranwala, 2017
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Q 899:Which radioisotope is used for diagnosis of tumor?
A
Cobalt-60
B
Iodine-131
C
Strontium-90
D
Phosphorous-30
Faisalabad, 2017
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Q 900:Which salt is used to dry the gas?
A
CaCl2
B
NaCl
C
CaO
D
Na2SiO3
Faisalabad, 2017
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Total MCQs: 1548Page 90 of 155
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