Chemistry Past Paper Questions

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Q 1071:Which one of the following salts makes the water permanently hard?
A
Na2CO3
B
NaHCO3
C
CaSO4
D
Ca(HCO3)2
Rawalpindi, 2017
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Q 1072:Which one of the followings does not contain protein?
A
pulses
B
Potatoes
C
beans
D
Eggs
Rawalpindi, 2017
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Q 1073:Which one of the following is a lewis base?
A
NH3
B
BF3
C
H+
D
AlCl3
Rawalpindi, 2017
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Q 1074:Which one of the following is tasteless?
A
Sucrose
B
Starch
C
Glucose
D
Fructose
Rawalpindi, 2017
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Q 1075:Which one of the following metals burns with a brick red flame?
A
Sodium
B
Calcium
C
Iron
D
Magnesium
Rawalpindi, 2017
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Q 1076:Which one of the following molecules is not triatomic?
A
CO2
B
H2O
C
H2
D
None of these
Rawalpindi, 2017
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Q 1077:Which one of the following is amorphous solid?
A
Diamond
B
Sodium chloride
C
Glass
D
None of these
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Q 1078:Which one of the followings is strong electrolyte?
A
Sugar Solution
B
Alcoholic solution
C
Sodium chloride solution
D
None of these
Rawalpindi, 2017
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Q 1079:Which one of the followings is the lightest metal?
A
Lithium
B
Sodium
C
Potassium
D
Rubidium
Rawalpindi, 2017
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Q 1080:Which one of them is the oxidation number of Cl in KClO3?
A
2
B
3
C
4
D
5
Rawalpindi, 2017
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Total MCQs: 1548Page 108 of 155
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