Question

why does the temperature of a substance remain constant during the melting point or boiling point?

Answer 1

hiiii

It is because substance makes use of latent heat of fusion to overcome force of attraction between particles of solid to change into liquid during melting and latent heat of vaporization to overcome force of attraction between particles of liquid to change into vapours during boiling.

hope it help u

plzz mark as branilist

Answer 2

it is because substance make use of latent heat of fusion to overcome the Force of attraction between the particles of solid to change into liquid during melting point and latent heat of vaporisation to overcome Force's of attraction between the particles of liquid to change into vapors during boiling point