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NAT I Engineering Chemistry MCQs With Answers
Question # 1
Which of the following is an example of body centred cube?
Choose an answer
Magnesium
Zinc
Copper
Sodium
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Question # 2
Gooch crucible used to filter the solution of
Choose an answer
H
2
SO
4
HCI
KMnO
4
Both B & C
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Question # 3
One mole of a gas refers to
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The number of molecules in one litre of gas
The number of molecules in one gram of gas
The number of molecules contained in 12 grams of
12
C isotope
The number of molecules in 22.4 liters of a gas at S.T.P.
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Question # 4
Which of the following halogens does not forms its oxyacids?
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Fluorine
Chlorine
Bromine
Iodine
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Question # 5
Which of the following alkali metal hydroxides is the strongest base?
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LiOH
NaOH
KOH
CaOH
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Question # 6
By using the fluted filter paper rate of filtration is
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Increased
Decreased
Filtration is constant
Having no effect
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Question # 7
Leblanc process is employed in the manufacture of
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Baking soda
Washing soda
Potash
Plaster of paris
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Question # 8
The mass of the neutron is of the order of
Choose an answer
10
-23
kg
10
-24
kg
10
-26
kg
10
-27
kg
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Question # 9
Benzene is obtained by fractional distillation of
Choose an answer
Heavy oil
Anthracene oil
Middle oil
Light oil
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Question # 10
Which is the most amphoteric?
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Na
2
O
MgO
AI
2
O
3
CaO
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Question # 11
A cell constant is generally found by measuring the conductivity of aqueous solution of
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BaCI
2
KCI
NaCI
MgCI
2
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