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There are two processes - let us call them P and Q. The similarity between P and Q is that both represent a change from liquid state to gas state. The difference is that in P, change to vapour occurs only at the liquid surface; in Q, it occurs throughout the liquid. What are P and Q respectively

User Frank Hadder
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1 Answer

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18 votes
P and Q are evaporation and boiling.
User Danadam
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