Statement -1 : If an ideal gas expands in vacuum in an isolated chamber triangleQ, triangleU and triangleW all are zero.
Statement -2: Temperature of gas remains same.

Options

A. Statement -1 is true, statement -2 is true and statement -2 is correct explanation for statement -1.
B. Statement -1 is true, statement -2 is true and statement -2 is NOT the correct explanation for statement -1.
C. Statement -1 is true, statement -2 is false.
D. Statement -1 is false, statement-2 is true

Answer

B