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Polythene is prepared by the process of __________________ polymerisation of ethylene.

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Polythene is prepared by the process of __________________ polymerisation of ethylene.

(a) Addition

(b) Condensation

(c) Living

(d) Free-radical

This question was posed to me during an online exam.

Question is taken from Thermoplastic Polymers topic in chapter Polymers of Engineering Chemistry I

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Correct option is (a) Addition

To explain I would say: Polythene is prepared by the process of addition polymerisation of ethylene. Polythene is of low strength, hardness and rigidity, but has a high ductility and impact strength as well as low friction.

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