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Question

The amount of thermal energy required to cause a liquid to freeze or a solid to melt is known as :

A
Latent heat of fusion
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B
Latent heat of vaporization
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C
Latent heat of condensation
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D
Heat of fission
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Solution

The correct option is A Latent heat of fusion
The amount of thermal energy required to cause a liquid to freeze or a solid to melt is known as Latent heat of fusion.

The enthalpy of fusion or latent heat of fusion is the change in its enthalpy resulting from providing energy; typically heat to specific quantity of substance to change in its state from solid to liquid or liquid to solid at constant pressure.

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