Question

What is the significance of melting point and boiling point of a substance

Answer 1

tips of knowledge that how much heated useful are essential for boiling

Answer 2

The melting point of a substance signifies that,
How much heat is required to bring the solid to its liquid form.


Boiling point of a substance signifies that,
How much heat is required to change a liquid to its vapour state.

This boiling point and melting point is just the energy supplied to a substance so that it can break it's intermolecular force of attraction between their particles.