Question

4. Explain why the following are made of thermosetting plastics.
(a) Pressure cooker handle
(b) Electric plugs/switches​

Answer 1

The thermosetting plastics can be molded only once, and these plastics are poor conductors of heat.

Hence pressure cooker handles are made of thermosetting plastics to avoid heat while using it.

The thermosetting plastics are also bad conductors of electricity. Hence they are used to make electric plug and switches to make them function safely for users. 

Answer 2

Answer:

Ans. (a) the handles of a saucepan are made of thermosetting plastic because it is a bad conductor of heat and does not get heated up while cooking. (b) Electric plugs/ switches/ plug boards are saucepan is made of thermosetting plastic because it is a bad conductor of electricity.

Explanation:

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