निम्नलिखित में से थर्मोप्लास्टिक का उदाहरण है –

उत्तर: (C) पॉलिथीन — Polythene (polyethylene) is a thermoplastic that can be remoulded when heated. Bakelite, melamine, and urea-formaldehyde resin are thermosetting plastics that cannot be reshaped once set.