Given below are two statements:
Statement I : Permanent gases, i.e., gases which show continuous positive deviation in Z value can not be liquefied.
Statement II : It is possible to change a gas into liquid or a liquid into gas by a process in which always a single phase is present.
In the light of the above statements, choose the most appropriate answer from the options given below:

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Both Statement I and Statement II are correct.

Statement I is incorrect, but Statement II is correct.

Both Statement I and Statement II are incorrect.

Statement I is correct, but Statement II is incorrect.

answer is D.

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