Assertion :Entropy is always constant for a closed system. Reason: Closed system is always reversible.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
For a closed system, the entropy can increase, decrease or remain constant and closed system may not always be reversible.

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