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NAT I Medical Chemistry MCQs With Answers
Question # 1
SO
2
and NO
2
pollution by increasing
Choose an answer
Alkalinity
Acidity
Neutrality
Buffer action
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Question # 2
Acetic anhydride is obtained form acetyl chloride by the reaction of
Choose an answer
P
2
O
5
H
2
SO
4
CH
3
COONa
CH
3
COCH
3
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Question # 3
Dilute hydrochloric acid solution cannot be concentrated by boiling beyond
Choose an answer
11%
33%
44%
22%
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Question # 4
The last orbit of argon would have electrons
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8
18
2
6
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Question # 5
Which of the following will not change the concentration of ammonia in the equilibrium N
2
(g) + 3H
2
(g) 2NH
3
(g): ΔH = -kj
Choose an answer
Increase of pressure
Increase of temperature
Decrease of volume
Addition of catalyst
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Question # 6
Saturated solution of NaCI on heating becomes
Choose an answer
Super saturated
Unsaturated
Remains saturated
None
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Question # 7
The equilibrium constant in a reversible chemical reaction at a given temperature
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Depends on the initial concentration of the reactants
Depends on the concentration of one of the products at equilibrium
Does not depend on the initial concentrations of recatants
Is not characteristic of the reaction
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Question # 8
Which of the following is different from the other three oxides?
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MgO
SnO
ZnO
Cr
2
O
3
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Question # 9
The dimension of rate constant of a second order reaction involves
Choose an answer
Neither time nor concentration
Only time
Time and concentration
Time and square of concentration
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