Which set of conditions represents the easiest way to liquify a gas?
(A) Low temperature and high pressure
(B) High temperature and low pressure
(C) Low temperature and low pressure
(D) High temperature and high pressure
Correct Answer : Low temperature and high pressure
Question Asked : SSC CPO Sub-Inspector Exam 2003
Explanation : Liquefaction of a gas refers to a physical phenomenon of converting (condensing) a gas into its liquid state. The low temperature and high pressure conditions favour the liquefaction of vapor into liquid state. Both promote an increase in intermolecular force and decrease in intermolecular distance.
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