A gas can be liquefied by pressure alone only, when its temperature is __________ its critical temperature. (A) Less than (B) More than (C) Equal to or higher than (D) Less than or equal to

A gas can be liquefied by pressure alone only, when its temperature is __________ its critical temperature.
(A) Less than
(B) More than
(C) Equal to or higher than
(D) Less than or equal to
by

1 Answer

Answer :

(D) Less than or equal to
by

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