1.

. Define evaporation. Discuss two factors which affectthe rate of evaporation.

Answer»

Evaporationis a surface phenomenon in which the particles at the surface gain enough energy to turn into vapour.

The rate of evaporation is affected by the following factors: 1. Temperature: The rate of evaporation increases with an increase in temperature.

2. Surface area: The rate of evaporation increases with an increase in surface area.

3. Humidity: The amount of water vapour present in the air is called humidity.



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