Match the following processes in List-I with the corresponding entropy changes in List-II.

List-I: Process
A. Vaporisation of a liquid
B. A reaction is non-spontaneous at all temperatures and ΔH is positive
C. Reversible expansion of an ideal gas

List-II: Entropy change

1. ΔS = 0
2. ΔS > 0
3. ΔS < 0

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