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(a) Give an example of a synthetic rubbe...

(a) Give an example of a synthetic rubber and mention its main advantage.
(b) Write the structure of the monomers of Dacron
(c) Arrange the given polymers in the increasing order of tensile strength Nylon-6, Buna-S, Polythene

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(a) Example of synthetic rubber is Buna-N. It is used for making oil seals, tank linings etc.
(b) Monomers of Dacron (Terylene) are Ethylene glycol and Terephthalic acid.
(bc) The increasing order of tensile strength is :
Buna-S `lt` Polythene `lt` Nylon-6
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