General Science • ChemistryEasy
Which of the following is an example of a thermosetting polymer?
A. Polythene
B. PVC
C. Bakelite✓ Correct Answer
D. Nylon-6,6
💡 Solution & Explanation
Bakelite is a classic thermosetting polymer formed by the condensation reaction of phenol and formaldehyde, which cross-links permanently upon heating and cannot be reshaped. In contrast, thermoplastic polymers like polythene, PVC, and nylon soften when heated and can be repeatedly molded into different forms. Thermosetting plastics are widely used in electrical switches and handles due to their high heat and electrical resistance.
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