M.Sc. Bio-Physics (PU-CET P.G) 2019 Panjab University Entrance Exam With Answers

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12.

The correct statement regarding entropy is

A: At absolute zero temperature, entropy of a perfectly crystalline solid is zero
B: At absolute zero temperature, entropy of a perfectly crystalline substance is positive
C: At absolute zero temperature, entropy of all crystalline solid is zero
D: At 0oC, the entropy of a perfectly crystalline solid is zero

The answer is: A

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