The polymer used for making contact lenses for eyes is

$Buna-S$ is a polymer of .......

Arrange the following polymers in increasing order of their intermolecular forces.
$(i)$ Nylon $6,6$,Buna$-S$,Polythene.
$(ii)$ Nylon $6$,Neoprene,Polyvinyl chloride.

Explain the preparation of Nylon-$6$ and also write its uses.

Which one of the following is used in the preparation of cellulose nitrate?

Which of the following polymers is used to manufacture tyres?