Why do we say that evaporation is a surface phenomena?
Answers
Answer:
Evaporation is a surface phenomenon because it occurs in the surface. For example when we put wet clothes for drying we spread them out so that the surface area gets increased. When the surface area increases the water will get enough space to get into vapour stage and thus evaporation happens easily.
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Answer:
Evaporation is a surface phenomenon because, during evaporation, the molecules with higher kinetic energy dissipate into the air from the topmost layer of the liquid so it is a surface phenomenon. When water is kept in the presence of sunlight, with the increasing duration of time, the temperature of the water increases and the hydrogen bonds of H2O from the surface starts breaking due to which the dissociated molecules move upward. Therefore, evaporation takes place from the surface but not from the inside.