Naresh wants to perform an experiment, he arranged the set up as shown in diagram below.

After heating is started he notices that after 100 $^{0} C$ , water level starts to decrease. Which process is responsible for this decrease in water level?

Melting

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Boiling

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Freezing

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Condensation

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Solution

The correct option is B Boiling
$∙$ Boiling is the process by which a liquid turns into its vapour when it is heated to its boiling point.
$∙$ In this scenario after reaching its boiling point of $100^{0} C$ , water starts converting to water vapour and evaporates into air.
$∙$ Hence, water level decreases.

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Naresh wants to perform an experiment, he arranged the set up as shown in diagram below. After heating is started he notices that after 100 0C, water level starts to decrease. Which process is responsible for this decrease in water level?

Naresh wants to perform an experiment, he arranged the set up as shown in diagram below.

After heating is started he notices that after 100 $^{0} C$ , water level starts to decrease. Which process is responsible for this decrease in water level?