Chemistry Past Paper Questions

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Q 1091:If Qc < Kc then reaction is in:
A
Dynamic equilibrium
B
Static equilibrium
C
Forward direction
D
reverse direction
Sahiwal, 2017
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Q 1092:Lactic acid is found in:
A
Sour Milk
B
Apple
C
Grapes
D
Lemon
Sahiwal, 2017
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Q 1093:Matte is a mixture of:
A
FeS
B
Cu2O.FeO
C
Cu2S.FeS
D
CuS.FeO
Sahiwal, 2017
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Q 1094:pH value of neutral solution is equal to:
A
6
B
7
C
8
D
12
Sahiwal, 2017
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Q 1095:Nelson’s cell is used to prepare caustic soda along with gases. Which of the following gas is produced at cathode?
A
Cl2
B
H2
C
O3
D
O2
Sahiwal, 2017
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Q 1096:Non metals are generally soft, but which one of the following is extremely hard?
A
Graphite
B
Phosphorus
C
Iodine
D
Diamond
Sahiwal, 2017
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Q 1097:One amu is equivalent to:
A
1.66 × 10-24mg
B
1.66 x 10-24 g
C
1.66 x 10-24 Kg
D
1.66 x 10-23 g
Sahiwal, 2017
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Q 1098:One of the following is the most penetrating:
A
Protons
B
Electron
C
Neutron
D
Alpha particles
Sahiwal, 2017
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Q 1099:One of the following pairs has the same mass:
A
1 mole of CO and 1 mole of N2
B
1 mole of CO and 1 mole of CO2
C
1 mole of O2 and 1 mole of N2
D
1 mole of O2 and 1 mole of CO2
Sahiwal, 2017
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Q 1100:If 10 cm3 of alcohol is dissolved in 100 g of water, it is called:
A
% m/m
B
% m/v
C
% v/m
D
% v/v
Sahiwal, 2017
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Total MCQs: 1548Page 110 of 155
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