Chemistry Past Paper Questions

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Q 111:In the beginning the rate of reverse reaction is:
A
Fast
B
Very fast
C
Moderate
D
Negligible
Gujranwala, 2019
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Q 112:Matte is a mixture of:
A
FeS and CuS
B
Cu2O and FeO
C
Cu2S and FeS
D
CuS and FeO
Gujranwala, 2019
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Q 113:Number of amino acids in proteins is
A
10000
B
Less than 10,000
C
More than 10,000
D
2000
Gujranwala, 2019
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Q 114:Penthydroxy aldehyde is also called as:
A
Glucose
B
Fructose
C
Starch
D
Sucrose
Gujranwala, 2019
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Q 115:Number of grams of solute dissolved in 100 grams of solution is called:
A
% m/v
B
%m/v
C
% v/m
D
% v/v
Gujranwala, 2019
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Q 116:One atmospheric (1 atm) pressure is equal to how many pascals?
A
10523
B
106075
C
10325
D
101325
Gujranwala, 2019
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Q 117:Non-metals are generally soft but which one of the following is extremely hard?
A
Diamond
B
iodine
C
Phosphorous
D
Sulphur
Gujranwala, 2019
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Q 118:In the redox reaction between zinc and HCl which one is oxidizing agent?
A
H+
B
Cl
C
Zn
D
H2
Gujranwala, 2019
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Q 119:Loss of electrons from one atom is called:
A
oxidation
B
solubility
C
molarity
D
reductuin
Gujranwala, 2019
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Q 120:In periods from left to right which one decreases?
A
Atomic Radius
B
Ionization Energy
C
Electron Affinity
D
Electronegativity
Gujranwala, 2019
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Total MCQs: 1548Page 12 of 155
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