A glass filled with ice cubes was kept on a table. After a while, water droplets appeared on its outer surface. Identify the correct statements.

This phenomenon is known as evaporation.

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This proves that water vapours are present in the air.

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This phenomenon is known as solidification.

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This phenomenon is known as condensation.

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Solution

The correct options are
B This proves that water vapours are present in the air.
D This phenomenon is known as condensation.
Condensation is the process by which gas turns into liquid upon cooling.
In this situation, the water vapour in the air turns into water droplets on contact with the cold surface of the glass.

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