Q.
Examples of synthetic polymer and semi-synthetic polymer are
X
Y
(a)
Polythene
Rayon
(b)
Rayon
Nylon
(c)
Rubber
Polythene
(d)
Cellulose
PVC
X | Y | |
---|---|---|
(a) | Polythene | Rayon |
(b) | Rayon | Nylon |
(c) | Rubber | Polythene |
(d) | Cellulose | PVC |
Solution: