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Identify the correct statement regarding...

Identify the correct statement regarding a spontaneous process :

A

Endothermic processes are never spontaneous.

B

Exothermic processes are always spontaneous.

C

Lowering of energy in the reaction process is the only criterion for spontaneity.

D

For a spontaneous process in an isolated system, the change in entropy is positive.

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The correct Answer is:
D
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