Q.

Bakelite and polythene are both plastics. The one major difference between them is that

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a

Bakelite is thermoplastic and polythene is thermosetting

b

Bakelite is thermosetting and polythene is thermoplastic

c

Bakelite and polythene both are thermosetting

d

Bakelite and polythene both are thermoplastic 

answer is B.

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Detailed Solution

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The major difference between bakelite and polyethylene is that bakelite is thermosetting and polyethylene is thermoplastic.

Thermosetting and thermoplastic are the two types of plastics. 

  • Thermosetting plastics are polymer materials that, once formed and solidified, cannot be melted or reshaped by heating.

Bakelite is a type of thermosetting plastic.

  • Thermoplastics are polymer materials that can be softened and molded when heated and can be solidified and re-molded multiple times.

Polythene (also known as polyethylene) is a type of thermoplastic.

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