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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73.A polymer is formed by the action of terephthalic acid.
Write its structure.
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74.
Name one synthetic polymer containing - CN group. Give its formula.
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75.
What structural changes are produced during vulcanization of rubber?
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76.
Mention two uses of Nylon-6, 6.
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77.
Which is better material for making PVC pipes a thermosetting plastic or a thermoplastic?
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78.
Give two examples of polymers that belong to the class of formaldehyde resins.
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79.
Classify the following polymers as chain growth and step growth polymers: (i) Buna-S (ii) Nylon-6,6 (iii) Terylene (iv) PVC