1.

Statement-1: The heat absorbed during the isothermal expansion of an ideal gas against vaccum is zero. Statement -2: The vaccum occupied by the molecules of an ideal gas is zero.

Answer»

STATEMENT -1 is TRUE, Statement -2 is true, Statement -2 is correct explanation for statement -1
Statement -1 is true, Statement -2 is true, Statement -2 is not a correct explanation for statement -1
Statement -1 is true, statement -2 is FALSE
Statement -1 is false, statement -2 is true.

ANSWER :C


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