A) At \[{{0}^{o}}C\], the entropy of a perfectly crystalline substance is taken to be zero
B) At absolute zero of temperature, the entropy of a perfectly crystalline substance is \[+ve\]
C) At absolute zero of temperature, the entropy of all crystalline substances is taken to be zero
D) At absolute zero of temperature, the entropy of a perfectly crystalline substance is taken to be zero
Correct Answer: D
Solution :
This is the statement of third law of thermodynamics.
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