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NAT I Medical Chemistry MCQs With Answers
Question # 1
How many kinds of space lattices are possible in a crystal?
Choose an answer
23
7
230
14
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Question # 2
Reaction of acids with alcohols is also known as
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Esterification
Saponification
Alkalization
None
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Question # 3
Hydrogen chloride molecule contains
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Covalent bond
Double bond
Co-ordinate bond
Electrovalent bond
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Question # 4
Sulphure dioxide affects
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Cell wall
Plasmodesmata
All membrane systems
Nucleus
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Question # 5
Among alkali metal salts,the lithium salts are the poorest conductors of electricity in aqueous solution because of
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Easy diffusion of Li
+
ions
Lower ability of Li
+
ions to polarize water molecules
Lowest charge to radius ratio
Higher degree of hydration of Li
+
ions.
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Question # 6
Pollutant of automobile exhausts that affects nervous system/produces mental diseases is
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Mercury
Lead
Nitrogen oxide
Sulphur oxide
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Question # 7
An endothermic reaction is one in which
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Heat is converted into electricity
Heat is obsorbed
Heat is evolved
Heat is converted into mechanical work
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Question # 8
For most of the chemical reaction the rate of reaction
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Increases as the reaction proceeds
Decreases as the reaction proceeds
May increases or decreases during the reaction
Remains constant as the reaction
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Question # 9
Phosphide ion has the electronic structure similar to that of
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Nitride ion
Fluoride ion
Sodium ion
Chloride ion
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