Evaporation occurs only _____(a) after boiling(b) after extreme cooling(c) at surface of a liquid(d) if boiling occurs at atmospheric pressureI got this question in examination.My question is from Evaporator in chapter Building Blocks of Dairy Processing of Dairy Engineering

Evaporation occurs only _____(a) after boiling(b) after extreme coolin

1.	Evaporation occurs only _____(a) after boiling(b) after extreme cooling(c) at surface of a liquid(d) if boiling occurs at atmospheric pressureI got this question in examination.My question is from Evaporator in chapter Building Blocks of Dairy Processing of Dairy Engineering
Answer» Correct choice is (c) at SURFACE of a liquid The BEST I can explain: Evaporation takes place at a surface and below the boiling point. The surface atoms or molecules GAINS energy from SURROUNDINGS and overcome the ATTRACTIONS of other molecules & get to vaporize.

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