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A: H(2) when allowed to expand at room t...

A: `H_(2)` when allowed to expand at room temperature it causes heating effect.
R: `H_(2)` has inversion-temperature much below room temperature.

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)

B

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)

C

If Assertion is true statement but Reason is false, then mark (3)

D

If both Assertion and Reason are false statements, then mark (4)

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