Which of the following conditions will drastically speed up the rate of evaporation of a liquid?

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A Decrease in surface area, increase in humidity.
B Increase in surface area, increase in wind speed.
C Decrease in temperature, increase in wind speed.
D Increase in humidity, increase in temperature.

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Answer: B. Increase in surface area, increase in wind speed.

Evaporation is a surface phenomenon. A larger surface area allows more particles to escape at once. Higher wind speed carries away the just-formed vapour particles quickly, allowing more liquid to vaporize efficiently.

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Which of the following conditions will drastically speed up the rate of evaporation of a liquid?

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