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NAT I Medical Chemistry MCQs With Answers
Question # 1
The principle constituent of pyrex glass is
Choose an answer
Zn
B
Pb
CI
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Question # 2
Which of the following method is most appropriate for the manufacture of methane?
Choose an answer
By reduction of CH2CL2
Wurtz reaction
Liquification of natural gas
None of these
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Question # 3
A current of 9.65 ampere flowing for 10 minutes deposits 3.0 g of the metal which is monovalent the atomic mass of the metal is
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10
50
30
96.5
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Question # 4
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 # 5
Toluene can be oxidized to benzonic acid by
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KMnO4 (alk)
K
2
Cr
2
O
7
(acidic)
Both
None
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Question # 6
Sodium thiosulfate is used in photography because of its
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Oxidizing behaviour
Reducing behaviour
Complexing behaviour
Photochemical behaviour
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Question # 7
Which one of the halogen acid is a liquid?
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HF
HCI
HBr
HI
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Question # 8
Galena is an ore of
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Gallium
Lead
Tin
Germanium
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Question # 9
An exothermic reaction is one in which the reacting substances
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Have more energy than the products
Have less energy than the products
Have the same energy as the products
Are at a higher temperature than the products
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