Which of the following is not a reversible process ? – McqOptions

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1.	Which of the following is not a reversible process ?
A.	Expansion of an ideal gas against constant pressure.
B.	Atmospheric pressure vaporisation of water at 100 C.
C.	Solution of NaCl in water at 50 C.
D.	None of these.
Answer» D. None of these.

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