Question

An example of thermosetting plastic is:

• A. Polyethylene
• B. All of these
• C. Bakelite
• D. P.V.C.

Hint:

Thermosetting plastics like Bakelite harden permanently after heating and cannot be remolded, unlike thermoplastics like PVC or polyethylene.

Answer 1

The Correct Option is C

Bakelite is a common thermosetting plastic. Thermosetting plastics harden permanently when heated due to a chemical change. Polyethylene and PVC (polyvinyl chloride) are thermoplastics; they soften and can be reshaped upon heating. Consequently, Bakelite is the correct choice.