Explain qualitatively on the basis of domain picture the irreversiblity in the magnetisation curve of a ferromagnet

Explain ferromagnetism on the basis of domain theory.

Explain magnetism on the basis of atomic theory.

Explain surface tension on the basis of the molecular theory.

Would the maximum possible magnetisation of a paramagnetic sample be of the same order of a magnitude as the magnetisation of a ferromagnet?

Explain Types of matter on the basis of chemical composition).

Explain origin of magnetism on the basis of circulating charges.

Explain the classification of polymers on the basis of structure.

Explain the classification of polymers on the basis of biodegradability.

Explain classification of polymer on the basis of mode of polymerization.

Explain origin of paramagnetism on the basis of its atomic structure.