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Polymers

Question
CBSEENCH12009306

Classify the following polymers as chain growth and step growth polymers:
(i) Buna-S
(ii) Nylon-6,6
(iii) Terylene
(iv) PVC

Solution
Chain growth polymers are: Buna-S and PVC.
Step growth polymers are: Nylon-6,6 and Terylene