Chemistry Past Paper Questions

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Q 91: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, 2019
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Q 92:About _________ % traces of acetylene are present in coal gas.
A
0.06
B
0.07
C
0.08
D
0.09
Gujranwala, 2019
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Q 93:________ gas is the cause of global warming.
A
SO2 gas
B
NO2 gas
C
O2 gas
D
CO2 gas
Gujranwala, 2019
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Q 94:A bond formed between two non-metals is expected to be _________ bond.
A
Covalent
B
ionic
C
Coordinate Covalent
D
metallic
Gujranwala, 2019
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Q 95:Which isotope is used for diagnosis of goiter in thyroid gland:
A
Sr-90
B
Co-60
C
l-131
D
C-14
Faisalabad, 2019
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Q 96:Which non-metal is lustrous:
A
Sulphur
B
Phosphorus
C
Iodine
D
Carbon
Faisalabad, 2019
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Q 97:Which pair has polar Covalent bond:
A
O2 and Cl2
B
H2O and N2
C
H2O and C2H2
D
H2O and HCl
Faisalabad, 2019
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Q 98:Which results in the discovery of protons:
A
Cathode rays
B
Canal rays
C
X-rays
D
Alpha rays
Faisalabad, 2019
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Q 99:Which is tasteless:
A
Sucrose
B
Glucose
C
Fructose
D
Starch
Faisalabad, 2019
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Q 100:Which is used as dry cleaning:
A
CCl4
B
CHCl3
C
CH4
D
CH2Cl2
Faisalabad, 2019
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Total MCQs: 1548Page 10 of 155
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