State whether true or false :
To freeze water into ice, energy must be removed.

True

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False

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Solution

The correct option is A True
When liquid changes into solid its Kinetic Energy is decreased; which results in decrease in internal energy of the system. It is only possible when energy is released i.e. heat energy is released when liquid changes into solid.

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Similar questions

State whether the following statement is true or false :

An electric motor converts mechanical energy into electrical energy.

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