An equal amount of water is kept in a cup and saucer. It evaporates faster from the saucer due to the difference in the _________.

humidity

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surface area

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wind speed

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temperature

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Solution

The correct option is B surface area
The phenomenon by which a liquid changes into vapour at any temperature below its boiling point is called evaporation. Evaporation is a surface phenomenon and it increases with an increase in the surface area. Since the surface area of a saucer is greater than that of a cup, more evaporation will take place in the saucer.

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