Explain molecular theory of magnetism?

Which of the following is NOT a postulate of the kinetic molecular theory of gases?

Briefly describe elecrton theory of magnetism. How para, dia and ferro magnetic bahaviour are accounted for by the theory?

Explain Chemosynthetic theory of origin of life.

Explain principle and theory of Transformer with the help of diagram.

Give molecular theory to explain surface tension.

Explain molecular mass of a polymer on the basis of number average molecular mass.