1.

Which of the following statements are correct ?A. It is not possible to compress a gas at a temperature below `T_(C)`B. At a temperature below `T_(C)` the molecules ar close enough for the attractive forces to act, and condensation occursC. No condensation takes place above `T_(C)`D. Due to higher kinetic energy of the gas molecules above `T_(C)`, it is considered as super critical fluid

Answer» Correct Answer - b,c,d
(b,c,d)
`T_(c)` is a temperature above which a gas can not be liquified at this point, slope of P - V curve is maximum and attraction force is dominating at this point. Both liquid vapour are exist in equilibrium.


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