Question

how can heat produce a change of state

Answer 1

heated, it absorbs thermal energy and its temperature rises. At some point, the temperature stops rising and the ice begins to change into liquid water. The change from the solid state to the liquid state is called melting.

Answer 2

the heat makes the inter Kinetic energy to be increased so which lead the external molecules to lead this heat be passed to environmental so external molecules leaves the surfaces and chage of state occours