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NAT I Medical Chemistry MCQs With Answers
Question # 1
Water (H2O) is liquid while hydrogen sulphide (H
2
S) is a gas because
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Water has higher molecular weight
Hydrogen sulphide is a weak acid
Sulphur has high electronegativity than oxygen
Water molecules associate through hydrogen bonding.
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Question # 2
Sulphure dioxide affects
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Cell wall
Plasmodesmata
All membrane systems
Nucleus
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Question # 3
Which of the following alkali metal hydroxides is the strongest base?
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LiOH
NaOH
KOH
CaOH
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Question # 4
How many kinds of space lattices are possible in a crystal?
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23
7
230
14
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Question # 5
Which one of the following compounds does not exist?
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NCI
5
AsF
5
SbCI
5
PF
5
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Question # 6
Dilute hydrochloric acid solution cannot be concentrated by boiling beyond
Choose an answer
11%
33%
44%
22%
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Question # 7
Formic acid is obtained when
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Calcium acetate is heated with conc.H
2
SO
4
Calcium formate is heated with calcium acetate
Glycerol is heated with oxalic acid
Acetaldehyde is oxidized with K
2
CrO
7
and H
2
SO
4
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Question # 8
A chemical reaction A B is said to be in equilibrium when
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Complete conversion of A to B has taken place
Conversion of A to B is only 50% complete
Only 10% conversion of A to B has taken place
The rate of transformation of A to B is just equal to rate of transformation of B to A in the system
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Question # 9
Among the alkaline earth metals the element forming predominantly covalent compounds is
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Be
Mg
Sr
Calcium
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