1. which of the following is not a thermoplastic? (a)polythene. (b)melamine. (c)nylon. (d)PVC. TELL ME PLS AND I WILL MARK YOU AS BRAINLIEST
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1. which of the following is not a thermoplastic? (a)polythene. (b)melamine. (c)nylon
(b)melamine
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Among the given options, melamine is not a thermoplastic polymer. A thermoplastic polymer is one that cannot be brought back in the previous form after heating. Polyester along with nylon and PVC are among well-known thermoplastic polymers
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