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NAT I Medical Chemistry MCQs With Answers
Question # 1
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 # 2
One mole of a gas refers to
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The number of molecules in one litre of gas
The number of molecules in one gram of gas
The number of molecules contained in 12 grams of
12
C isotope
The number of molecules in 22.4 liters of a gas at S.T.P.
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Question # 3
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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Question # 4
The kinetic theory of gases predicts that total kinetic energy of a gaseous assembly depends on
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Pressure of the gas
Temperature of the gas
Volume of the gas
Pressure temperature and volume of the gas
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Question # 5
The bond angle H - O - H in ice is closest to
Choose an answer
120° , 28°
60°
90°
109°
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Question # 6
AI is more reactive than Fe but AI is less easily corroded than Fe Because
Choose an answer
It is a noble metal
Oxygen forms a protective reaction easily with water
Iron undergoes reaction easily with water
Fe form mono and divalent ions.
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Question # 7
Carbon monoxide is pollutant as it
Choose an answer
Inactivates nerves
Inhibits glycolysis
Combines with oxygen
Combines with hemoglobin
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Question # 8
Which of the following has greatest reducing power?
Choose an answer
HI
Hbr
HCI
HI
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Question # 9
Among alkali metal salts,the lithium salts are the poorest conductors of electricity in aqueous solution because of
Choose an answer
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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