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Q.

Is it true that electrical switches are made of bakelite?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Bakelite is the commercial polymer which is prepared from polymerization of phenol and formaldehyde. It was the first plastic which was made with synthetic components. Switches are built of plastics or bakelite rather than metals because plastic materials are poor conductors and safeguard us from shock. In contrast, metals are excellent conductors of electricity and hence cause shock to our bodies.
 
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