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In evaporation, water changes from which state to which state?

Answer and explanation

Correct answer: Liquid to gas

Direct answer: B, liquid to gas. Evaporation is the change in which liquid water at the surface gains enough energy to become water vapour, a gas. Heat from sunlight, warm surroundings, or moving air helps some water molecules escape from the liquid surface. No boiling is necessary; evaporation can occur at ordinary temperatures, although it becomes faster with more heat, dry air, and wind. A is melting: a solid changes into a liquid. B is correct because liquid water becomes gaseous water vapour. C is condensation, the reverse change from gas to liquid. D is freezing, in which liquid water becomes solid ice. Memory cue: evaporation goes upward from liquid to vapour; condensation comes back from vapour to liquid.

Related tags

GeographyEvaporationState ChangeWater VapourHumidityAnd CondensationHumidity Evaporation And CondensationWater In The AtmosphereClass 12 Mcq

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