Chemistry Past Paper Questions

Q 571:In the beginning, the rate of reverse reaction is:
A
Moderate
B
Negligible
C
Slow
D
Very fast
Lahore, 2018
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Q 572:Matte is a mixture of:
A
Cu2S and Fes
B
CuS and FeO
C
Cu2O and FeO
D
FeS and CuS
Lahore, 2018
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Q 573:Night-blindness is because of deficiency of:
A
Vitamin A
B
Vitamin E
C
Vitamin C
D
Vitamin D
Lahore, 2018
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Q 574:Percentage of nitrogen in urea is:
A
36.6%
B
46.6%
C
56.6%
D
66.6%
Lahore, 2018
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Q 575:Specific heat capacity of water is :
A
4.2KJg-1K-1
B
4.2Jg-1K-1
C
4.4KJg-1K-1
D
4.4Jg-1K-1
Lahore, 2018
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Q 576:Sub-shell 'P' can have maximum number of electrons:
A
4
B
6
C
8
D
10
Lahore, 2018
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Q 577:The base of modern periodic table is:
A
Mass Number
B
Avogardro's number
C
Atomic number
D
Quantum number
Lahore, 2018
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Q 578:One atmospheric pressure is equal to ____ Pascals
A
10325
B
101325
C
10523
D
106075
Lahore, 2018
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Q 579:Methane is an example of:
A
Single covalent bond
B
Double covalent bond
C
Triple covalent bond
D
Dative covalent bond
Lahore, 2018
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Q 580:Mist is an example of:
A
Liquid in gas
B
Gas in liquid
C
Solid in gas
D
Gas in solid
Lahore, 2018
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Total MCQs: 1548Page 58 of 155