Q.
The number of condensation polymers among below mentioned polymers is:-
(i) Nylon- $6$
(ii) Glyptal
(iii) Buna- $N$
(iv) PVC
(v) Poly vinyl acetate
(vi) Terylene
(vii) Bakelite
(viii) Nylon- $6,6$
(ix) orlone
NTA AbhyasNTA Abhyas 2022
Solution: