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What change is called condensation?

Answer and explanation

Correct answer: Water vapour changing into liquid or solid form

Correct answer: A. Condensation is the change of water vapour into liquid water or, under suitable cold conditions, directly into ice. When moist air cools, its capacity to hold vapour decreases. If cooling reaches the dew point, the excess vapour changes into tiny droplets on surfaces or around particles in the atmosphere. Cloud droplets, fog, and dew are examples connected with condensation. B is the reverse process, called sublimation when ice changes directly into vapour. C describes runoff or drainage, not a change of state. D concerns salinity and does not describe a phase change. A is correct because it includes both liquid formation and direct solid formation. Memory cue: condensation brings vapour down into droplets or ice.

Related tags

GeographyCondensationPhase ChangeCloud FormationHumidityEvaporationAnd CondensationHumidity Evaporation And CondensationWater In The AtmosphereClass 12 Mcq

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