Give the classification of polymers on the basis of their source.

Explanation

On the basic of their source polymers are classified as
(i) Natural polymers (obtained from plants/ animals). E.g. Cellulose, Silk
(ii) Synthetic polymers (man made from chemicals) E.g. polythene, PVC, etc.,
(iii) Semisynthetic polymers (natural polymers modified by chemical treatment) E.g. viscose rayon, cellulose diacetate.