(d) none of these
(c) silk
5. Like synthetic fibres, plastic is also a
(a) polyester
(b) polymer
6. This is used for making covering around electrical wires.
(a) Polystyrene
(b) Bakelite
(c) Polythene
(d) PVC
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Answer:
option D is the correct answer for your question
Explanation:
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