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Rate of evaporation increases as?(a) exposed surface area of liquid increases(b) exposed surface area of liquid decreases(c) movement of air above surface of liquid decreases(d) atmospheric pressure increasesThis question was addressed to me by my school principal while I was bunking the class.My query is from Evaporator in portion Building Blocks of Dairy Processing of Dairy Engineering

Answer»

The correct option is (b) exposed surface area of LIQUID decreases

To explain: A substance that has a larger surface area will evaporate faster, as there are more surface MOLECULES per UNIT of VOLUME that are potentially able to ESCAPE.



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