Question

If the surface area of liquid is large then evaporation will be
A.small
B.large
C. moderate
D.slow

Answer 1

Answer:

A substance that has a larger surface area will evaporate faster, as there are more surface molecules per unit of volume that are potentially able to escape. the higher the temperature of the substance the greater the kinetic energy of the molecules at its surface and therefore the faster the rate of their evaporation.

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Answer 2

Answer:

The correct option is (B) Large.

Explanation:

• When a larger surface area is provided, the liquid is more exposed to the air around it. This allows more liquid molecules to gain kinetic energy to escape the surface.
• While in a small surface area, the liquid is not much exposed to the atmosphere, hence the evaporation process is quite slow comparatively.

Eg- A wet cloth when spread out in the sun dries up quickly compared to a wet cloth folded and kept in the sun.