Question

What happens to heat supplied to a substance when heat is supplied causes no change in temperature of a substance.

Answer 1

1. When the heat supplied to a substance doesn't causes the temperature of the substance ,this means the heat energy being supplied is used to break the internal bonds between the atom it is called Latent heat .
2. Latent heat is the heat which helps the internal bonds of the substance to break so that the phase change occur .
3. This happens as heat energy is utilised in changing the phase of a substance .