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32. Why are electric switches, plugs and sockets made of thermosetting plastics 33 Explain the difference between thermoplastics and thermosetting plastics. 34. Should the handle and bristles of a toothbrush be made of the same type of p answer

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Similar Questions
Q1

Why are electric switches, plugs and sockets made of thermosetting plastics ?

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Q2

Explain why the following are made of thermosetting plastics. (a) Saucepan handles (b) Electric plugs/switches/plug boards.


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Q3
Explain why electric plugs/switches/plug boards are made of thermosetting plastics.
[1 mark]
[NCERT Q.7 (b)]
[Thermosetting plastics]
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Q4
Give scientific reasons for the following:
(a) Plastic containers used for microwave cooking can be made of thermosetting plastic.
(b) Thermoplastics are not used for making saucepan handles.
(c) Bakelite is used to make plugs and sockets.
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Q5
(a) Explain the difference between thermoplastic and thermosetting plastics based on the arrangement of monomers. [1 mark]
(b) Explain why the saucepan handles are made of thermosetting plastics. [1 mark]
(c) ‘Avoid plastics as far as possible’. Comment on this advice. [2 marks]
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