Question

4.Electric switches and plugs are made of PVC Polystyrene Bakelite Melamine​

Answer 1

Answer:

Then later, Bakelite, which was an early form of brittle plastic, made from formaldehyde and phenol. More recently and increasingly popular, switches are made of thermosetting plastic. Answer: Electric switches and plugs are made of Bakelite.

Answer 2

Then later, Bakelite, which was an early form of brittle plastic, made from formaldehyde and phenol. More recently and increasingly popular, switches are made of thermosetting plastic. Answer: Electric switches and plugs are made of Bakelite

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Ishita

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