Pick out the wrong statement.
(A) Minimum number of degree of freedom of a system is zero
(B) Degree of freedom of a system containing a gaseous mixture of helium,
carbon dioxide and hydrogen is 4
(C) For a two phase system in equilibrium made up of four non-reactingchemical species, the number of degrees of freedom is 4
(D) Enthalpy and internal energy change is zero during phase change
processes like melting, vaporisation and sublimation

1 Answer

Answer :

(D) Enthalpy and internal energy change is zero during phase change
processes like melting, vaporisation and sublimation

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