Chemistry Past Paper Questions

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Q 61:How much percent of solid mass is reduced by the process of incineration:
A
80-85
B
88-90
C
91-92
D
95-97
Faisalabad, 2019
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Q 62:KCl is an example of:
A
Double salt
B
Mixed salt
C
Normal salt
D
Complex salt
Faisalabad, 2019
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Q 63:Matte is a mixture of:
A
Cu2S, Fes
B
Fes, CuS
C
Cu2O, FeO
D
CuS, FeO
Faisalabad, 2019
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Q 64:Percentage portion of ground water is:
A
2.10%
B
0.60%
C
0.20%
D
97%
Faisalabad, 2019
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Q 65:Potable water on earth is only __________ of total water:
A
0.01%
B
0.10%
C
0.20%
D
0.30%
Faisalabad, 2019
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Q 66:How many possibilities are there in chemical equilibrium state:
A
1
B
2
C
3
D
4
Faisalabad, 2019
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Q 67:How many times are the liquids denser than gases:
A
100
B
1000
C
10,000
D
100,000
Faisalabad, 2019
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Q 68:Molarity is the number of moles of solute dissolved in:
A
1 kg of solution
B
100g of solvent
C
1 dm3 solvent
D
1 dm3 of solution
Faisalabad, 2019
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Q 69:One amu is equivalent to:
A
1.66 x 10-24 mg
B
1.66 x 10-24 g
C
1.66 x 10-24 Kg
D
1.66 x 10-23 g
Faisalabad, 2019
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Q 70:How many numbers of moles are equivalent to 8 grams of CO2:
A
0.15
B
0.18
C
0.21
D
0.24
Faisalabad, 2019
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Total MCQs: 1548Page 7 of 155
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