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Q.

Is it true that Bakelite and melamine are thermosetting plastics?


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a

True

b

False  

answer is A.

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Detailed Solution

The above statement is true.
Bakelite and melamine are thermosetting plastics.
Thermosetting plastics are those plastics that do not get deformed when they are provided with heat and mould once. They consist of long chains of molecules that are cross-linked. Their structure is very rigid. Therefore, Bakelite and melamine are examples of thermosetting plastics. Thermosetting polymers do not distort or soften when heated after being moulded.
 
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Is it true that Bakelite and melamine are thermosetting plastics?