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The direct conversion of A to B is diffi...

The direct conversion of A to B is difficult, hence is carried out by the following shown path:
`Delta(AtoC)=50, DeltaS(CtoD)=30,DeltaS(BtoD)=20` The entropy change for the process `A to B` is :

A

`100`

B

`-60`

C

`-100`

D

`+60`

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The correct Answer is:
D
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