Question

explne latent heat of fusion​

Answer 1

The Latent Heat of fusion is the amount of thermal energy required to cause a a liquid to freeze (by taking that much heat out) or a solid to melt (by putting that much heat in). For example, the latent heat of fusion for water (ice) is about 334 kJ/mol.

Answer 2

It is the amount of heat energy required to change 1kg solid into liquid at it's melting point.