Q12 of 57 Page 219

Which of the following polymers are used as fibre?

Fibers usually possess a crystalline nature. Amongst the above given polymers Nylon and Terylene possess a strong intermolecular force of attraction in terms of hydrogen bonding. This provides a close packing in the chain.

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10

Which of the following are characteristics of thermosetting polymers?

 11

Which of the following polymers are thermoplastic?

A. Teflon


B. Natural rubber


C. Neoprene


D. Polystyrene


 13

Which of the following are addition polymers?

 14

Which of the following polymers are condensation polymers?