Question:medium

Which of the following can be repeatedly softened on heating? (i) Polystyrene (ii) Melamine (iii) Polyesters (iv) Polyethylene (v) Neoprene

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Thermoplastics soften on heating and harden on cooling repeatedly.

Updated On: Mar 19, 2026

(i) and (iii)
(i) and (iv)
(iii), (iv) and (v)
(ii) and (iv)

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The Correct Option is B

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