Question

9. Plastics are generally ______than metals.
10. ________is a special plastic on which oil and water do not
stick.
11. Fire-proof plastics have a coating of _______ plastic on
them to make them flame resistant.
12. We should always remember the 4R principle: _______ ,
_________, and_________ .

Answer 1

Answer:

Hi

Explanation:

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Teflon is a special plastic on which oil and water do not stick.

Answer 2

Answer:

11 . thermosetting plastics

Explanation:

hi 8 grade tirupur sms