Question

1.If the surface area of liquid is large then evaporation will be
a small
b large
c moderate
d slow

Answer 1

Answer:

Large

Explanation:

Surface area is directly proportional to evaporation

Answer 2

Answer:

The greater the surface area of the liquid, greater the rate of evaporation.

Explanation:

Step 1: 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.

Step 2: The amount of liquid that is exposed to air increases as surface area increases. A surface area that is larger allows more molecules to escape.

Step 3: Liquid's surface area: Since evaporation is a surface phenomena, the more surface area a liquid occupies, the faster its evaporation rate. Environment humidity: The rate of evaporation is inversely proportional to the humidity of the air surrounding the water.

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