a) its temperature is more than critical temperature \[T_{C}\]
b) its pressure is more than critical pressure \[P_{C}\]
c) its pressure is more than \[P_{C}\] at a temperature less than \[T_{C}\]
d) it cannot be liquefied at any value of P and T
Answer: d
Explanation: Ideal gas cannot be liquefied at any value of P and T
since there are no intermolecular interactions between
molecules
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