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The correct statement regarding entropy ...

The correct statement regarding entropy is,

A

at absolute zero temperature, entropy of a perfectly crystalline solid is zero

B

at absolute zero temperature, the entropy of a perfectly crystalline substance is + ve

C

at absolute zero temperature, the entropy of 9 all crystalline substances is zero

D

at `0^(@)C` the entropy of a perfect crystalline solid is zero

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The correct Answer is:
a
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