Question

distinguished among paramagnetic, ferromagnetic and diamagnetic materials qualitatively

Answer 1

Paramagnetic materials are attracted by external magnetic fields whereasdiamagnetic materials are repelled.Paramagnetic materials have at least one unpaired electron in the system, but diamagnetic materials have all their electrons paired.

Answer 2

The key difference between diamagnetic, paramagnetic and ferromagnetic materials is that diamagnetic materials are not attracted to an external magnetic field, and paramagnetic materials are attracted to an external magnetic field whereas ferromagnetic materials are strongly attracted to an external magnetic field.