11.
For a reversible process involving only pressure-volume work

12.
In an ideal solution, the activity of a component equals its

13.
Water on heating from 1 to 4°C

14.
Work done in an adiabatic process between two states depends on the

15.
Which is a state function?

16.
Pick out the wrong statement.

17.
Which is not a refrigerant?

18.
Work done is a

19.
For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

20.
In an ideal gas mixture, fugacity of a species is equal to its

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