Assertion: The chemical potential of pure water at normal temperature and pressure is zero.
Reason: In soluton, value of water potential is always positive.
A. If both assertion and reason are true and the reason is a correct explanation of the assertion.
B. If both assertion and reason are true but reason is not a correct explanation of the assertion.
C. If the assertion is true but reason is false.
D. If both assertion and reason are false.