This question has Statement I and Statement II. Of the four choices given after the Statements, choose the one that best describes the two Statements.
Statement - I : When hydrogen gas expands adiabatically from high pressure to low pressure at room temperature then heating effect is observed.
Statement - II: Hydrogen gas at room temperature is above its inversion temperature.

Options

A. Statement - I is true, Statement - II is true, Statement - II is a correct explanation of Statement - I
B. Statement - I is true, Statement - II is true, Statement - II is not a correct explanation of Statement -I.
C. Statement -I is true, Statement - II is false.
D. Statement -I is false, Statement - II is true.

Answer

A