Short Answer Type

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What are polyamides?


It is syntetic polymer, in which amide linkage is present in between of an amino group of one molecule and a carboxylic acid of another, known as polyamide. Nylon 6 and nylon 6,6 are example of polyamides.
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One Word Answers

Which is better material for making PVC pipes a thermosetting plastic or a thermoplastic?

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Short Answer Type

Mention two uses of Nylon-6, 6.

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Give two examples of polymers that belong to the class of formaldehyde resins.

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State how rayon is different from silk?

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Name one synthetic polymer containing - CN group. Give its formula.

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

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A polymer is formed by the action of  terephthalic acid.


Write its structure.


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What structural changes are produced during vulcanization of rubber?

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Define copolymerisation? Give one example. 

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