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NAT I Engineering Chemistry MCQs With Answers
Question # 1
Maximum number of active hydrogens are present in
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Acetic-acid
Glycerol
Methane
Methanol
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Question # 2
Which of the following substances is used as an antiknock compound?
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Tetraethyl lead
Lead tetrachloride
Lead acetate
Ethyl acetate
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Question # 3
In the equilibrium
N
2
+ 3H
2
- 2NH
3
+ 22 kcal the formation of ammonia is favoured by
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Increasing the pressure
Increasing the temperature
Decreasing the pressure
Adding ammonia
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Question # 4
The order of reactivity of halogens in aliphatic substitution reactions is
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Br2 > CI2 > F2
CI2 > Br2 > F2
CI2 CI2 > Br2
F2 > Br2 > CI2
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Question # 5
Mark the smallest atom
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F
CI
Br
I
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Question # 6
Cyclone collector is used for minimizing
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Radioactive pollution
Air pollution
Noise pollution
Water pollution
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Question # 7
Which of the following has greatest reducing power?
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HI
Hbr
HCI
HI
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Question # 8
In crystal structure of sodium chloride the arrangement of CI
-
ions is
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Fee
Both fee and bcc
Bee
None of these
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Question # 9
Tollen's reagent is
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Ammonical cuprous chloride
Ammonical cuprous oxide
Ammonical silver bromide
Ammonical silver nitrate
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Question # 10
Number of elements presents in the fifth period of periodic table is
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8
10
18
32
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