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Polystyrene is prepared by ___________ polymerisation of styrene.

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Polystyrene is prepared by ___________ polymerisation of styrene.

(a) Condensation

(b) Free radical

(c) Anionic

(d) Cationic

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Asked question is from Thermoplastic Polymers topic in division Polymers of Engineering Chemistry I

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Correct answer is (b) Free radical

Explanation: Polystyrene is prepared by free radical polymerisation of styrene in the presence of benzoyl peroxide as catalyst.

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