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Which of the following statement are alw...

Which of the following statement are always correct ?

A

The entropy changes of a system particulaing in adiabatic process is always positive

B

The entropy changes of a system particulaing in adiabatic irrversible process is always positive .

C

The entroy change of surrounding is always zero in abiabatic process.

D

The entrophy change of a system participating in adiabatic process is always zero .

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The correct Answer is:
b,c
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