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Synthetic Fibres and Plastics — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceSynthetic Fibres and Plastics1 Mark
Question
Which of the two is a thermosetting plastic: $PVC$ or bakelite$?$
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Answer

The plastics which cannot be softened by heating, when moulded once are called thermosetting plastics. Bakelite is a thermosetting plastic.

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