On heating, the quantity of water in pan keeps on decreasing due to _______.
A
condensation
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B
solidification
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C
evaporation
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D
melting
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Solution
The correct option is C evaporation On heating, the state of water changes from liquid to gas. This process of conversion of water to water vapour is called evaporation. The vapours thus formed, escape out in the atmosphere. This results in a decrease in the water level in the pan.