Question : Which of the following statement(s) is/are correct?
I.Bakelite is a good conductor of heat
II.Bakelite is a poor conductor of electricity
III. Bakelite can be softened by heating.
Option 1: Only I and II
Option 2: Only I and III
Option 3: Only II
Option 4: All I, II and III
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Correct Answer: Only II
Solution : The correct answer is Only II.
The first synthetic plastic is Bakelite. It is also a thermosetting plastic. This synthetic plastic is created through the condensation reaction of formaldehyde and phenol. The resultant polymer is stiff and chemically resistant. It is also a poor heat and electrical conductor. Bakelite was originally used in electrical applications, including plugs, insulators, and switches.
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