2nd & 3rd Law of Thermodynamics NEET 2025 Level Thermodynamics Chemistry (2021) NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Assertion (A):	Enthalpy and entropy of any elementary substance in the standard states are taken as zero.
Reason (R):	At absolute zero, particles of the perfectly crystalline substance become completely motionless.

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	(A) is false and (R) is true.

Subtopic: 2nd & 3rd Law of Thermodynamics |

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