NAT I Medical Chemistry

NAT I Medical Chemistry

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NAT I Medical Chemistry

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Question # 1

Heating a micture of sodium benzoate and soda lime gives

Question # 2

Dilute hydrochloric acid solution cannot be concentrated by boiling beyond

Question # 3

The total pressure exerted by a number of non reacting gases is equal to the sum of partial pressure of the gases under the same conditions is known as

Question # 4

Which of the following pairs are chemically dissimilar?

Question # 5

The maximum number of electrons in a subshell for which / = 3 is

Question # 6

When electricity is passed through molten AI2O3 + Na3AIF6 and 13.5 gms AI are deposited,the number of faraday must be

Question # 7

Which is the most volatile compound?

Question # 8

Octane number can be changed by

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NAT-I Chemistry Important MCQ's

Sr.# Question Answer
1 Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBH4 or LiAIH4?
A. 1-Propanol
B. 2-Propanol
C. 2-Methyl-2-propanol
D. Ethanol
2 The most reactive compound for electrophilic nitration will be
A. Benzyl chloride
B. Benzoic acid
C. Nitrobenzene
D. Chlorobenzene
3 Which of the following method is most appropriate for the manufacture of methane?
A. By reduction of CH2CL2
B. Wurtz reaction
C. Liquification of natural gas
D. None of these
4 The reference calomel electrode is made from which of the following?
A. ZnCI2
B. CuSO4
C. Hg2CI2
D. HgCI2
5 Which inorganic precipitate acts as semipermeable membrane?
A. Calcium sulphate
B. Barium oxalate
C. Nickel phosphate
D. Copper ferrocyanide
6 Carbon monoxide is pollutant as it
A. Inactivates nerves
B. Inhibits glycolysis
C. Combines with oxygen
D. Combines with hemoglobin
7 Propyne on hydrolysis in presence of H2SO4 and HgSO4 gives
A. Acetaldehyde
B. Actone
C. Formaldehyde
D. None
8 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
9 Which has maximum protein content?
A. Ground nut
B. Cow milk
C. Egg
D. Wheat
10 Which is not a colligative property?
A. Osmotic pressure
B. Lowering of vapour pressure
C. Depression of freezing point
D. Elevation of boiling point

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