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blowing air over a liquid aids evaporation by

Physics
JAMB 2002

blowing air over a liquid aids evaporation by

  • A. increasing its surface area
  • B. decreasing its vapour pressure
  • C. increasing its temperature
  • D. decreasing its density
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Correct Answer: Option B
Explanation

if you blow dry air over the glass you blow away this extra water vapor, thereby decreasing the amount of water vapor entering the glass. 

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