Classify the following polymers as chain growth and step growth polymers:(i) Buna-S(ii) Nylon-6,6(iii) Terylene (iv) PVC
Give two examples of polymers that belong to the class of formaldehyde resins.
State how rayon is different from silk?
Which is better material for making PVC pipes a thermosetting plastic or a thermoplastic?
Name one synthetic polymer containing - CN group. Give its formula.
Define copolymerisation? Give one example.
What structural changes are produced during vulcanization of rubber?
What are polyamides?
Mention two uses of Nylon-6, 6.