Question

Why does the temperature of a substance remain constant during its meiting point or boiling point?​

Answer 1

Answer:

every substance have its own specific melting point on which they melt or boil

Answer 2

Answer:

The 'temperature of a substance' remains constant during its melting and boiling point because the change in any state of matter as n solid to liquid or the liquid to a gas involves crossing the 'latent heat of fusion' which causes a change in the intermolecular spacing of the molecules in the substance. mark brainlist