Heat Quiz 8

S.I unit of latent heat of fusion is

The latent heat of fusion of a solid ‘ substance of mass “m” is L. The required amount of heat to change solid phase to liquid phase is ……………… cal.

The amount of heat needed to change from ice to water at 0° C is 80 cal. Find the mass of the substance taken.

What amount of ice can be melted by 4000 cal of heat?

The process in which the substance in liquid phase changes to solid phase is called ………………

Freezing of water takes place at ……………

When water freezes to form ice, its volume will

Ice floats on water because

During phase change of a substance ………………

The liquid which expands during its change of state into solid state is ……………