Conversion of water vapour into droplets of water occurs by the process of:
A
evaporation
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B
condensation
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C
sublimation
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D
freezing
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Solution
The correct option is D condensation
Condensation is the change of water from its gaseous form (water vapor) into liquid water. Condensation generally occurs in the atmosphere when warm air rises, cools and loses its capacity to hold water vapor. As a result, excess water vapor condenses to form cloud droplets.
Evaporation is defined as the process of a liquid changing into a gas. An example of evaporation is water turning into steam.
Sublimation is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.
Freezing is a phase transition in which a liquid turns into a solid when its temperature is lowered below the freezing point.