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Predict in which of the following , entr...

Predict in which of the following , entropy decreases :

A

A liquid crystallizes into a solid

B

Temperature of a crystalline solid is raised from 0K to 115 K.

C

`2NaHCO_(3)(s) rarr Na_(2)CO_(3)(s) + CO_(2)(g) + H_(2)O(g)`

D

`H_(2)(g) rarr 2H(g)`

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The correct Answer is:
A
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