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NAT I Medical Chemistry MCQs With Answers
Question # 1
Pollutant of automobile exhausts that affects nervous system/produces mental diseases is
Choose an answer
Mercury
Lead
Nitrogen oxide
Sulphur oxide
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Question # 2
The formula of calcium cyanamide is
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Ca(CN)
2
CaC
2
N
CaNCN
CaCHNH
2
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Question # 3
The following has zero valency
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Na
Be
AI
Kr
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Question # 4
Calcium cyanamide on treatment with steam under pressure gives NH
3
and
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Calcium carbonate
Calcium hydroxide
Calcium oxide
Calcium bicarbonate
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Question # 5
In cold countries ethylene glycol is added to water in radiators of cars during winter It result in
Choose an answer
Lowering in b.pt.
Reducing viscosity
Reducing specific heat
Lowering in freezing pt.
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Question # 6
Which of the following compounds has the lowest anion to cation size ratio?
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LiF
NaF
CsI
CsF
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Question # 7
Which of the following method is most appropriate for the manufacture of methane?
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By reduction of CH2CL2
Wurtz reaction
Liquification of natural gas
None of these
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Question # 8
Which of the following imparts violet colouration to the non-luiminous flame of Bunsen burner?
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NaCI
BaCI
2
CaCI
2
KCI
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Question # 9
Inter molecular forces in solid hydrogen are
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Covalent forces
Van der Waal forces or London dispersion force
Hydrogen bonds
All of these
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Question # 10
On heating acetaldehyde with ammonical silver nitrate solution we get
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CH
3
OH
Silver acetate
HCHO
Silver mirror
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Question # 11
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 # 12
Which of the following is a molecular disease?
Choose an answer
Allergy
Cancer
German measles
Sickle cell anemia
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Question # 13
Fertilizer are made by
Choose an answer
Nature only
Artificial methods only
Both artificial and natural methods
None of the above
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