1.

(A): If an ideal gas expands in vacuum in an insulated chamber, DeltaQ,DeltaU,DeltaW all are zero (R ): Temperature of gas remains constant

Answer»

Both (A) and(R ) are TRUE and (R ) is the correct EXPLANATION of (A)
Both (A) and (R ) are (R ) true and is not the correct explanation of (A)
(A) is true but (R ) is FALSE
Both (A) and (R ) are false

Answer :B


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