The liquefaction behavior of the temporary gases like , approaches that of permanent gases like , etc., as we go

Question

The liquefaction behavior of the temporary gases like $CO_2$, approaches that of permanent gases like $N_2$, $O_2$ etc., as we go

Prashant Kotian · Accepted Answer

Correct answer: B. Critical temperature of a gas is highest temperature at which liquefaction of gas first occur. Liquefaction of so called permanent gases (i.e, gases which show continuous positive devotion in Z value) requires cooling as well as considerable cmpression. But temporary gases like CO2 and CH4 approach that of permanent gases as we go above the critical temperature.

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