Explain molecular theory leading to elasticity.

Explain elasticity and plasticity on the basis of molecular theory of elasticity.

Explain molecularity of a reaction.

Write hooke's law for elasticity.

Explain graphically the elastic limit, elasticity, plastic limit and plasticity.

Explain molecular range and surface film ?

State and explain how the molecularity and rate of reaction may be different. Give an example of pseudo unimolecular reaction.

State the meaning of an elastic substance.

Explain "Immunity theory" of ageing.