Poly vinyl chloride (PVC) is the type of:
Correct answer: C. Thermoplastic polymer
- A. Homopolymer
- B. Thermosetting polymer
- C. Thermoplastic polymer
- D. Copolymer
Explanation
This is the option marked correct in the official UHS answer key. PVC softens on heating and can be remoulded repeatedly because its chains are separate and held only by weak intermolecular forces, which is what thermoplastic means and is why it is recyclable. It is also a homopolymer, since it is built from one monomer, chloroethene, so option (a) is true as well and this question turns on which classification the examiner intended.
This question appeared on the UHS MDCAT 2025 paper, which you can sit online with every answer explained.
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About Polymers
Polymers are large molecules made from repeating monomer units joined by covalent bonds. The topic distinguishes addition polymers such as polyethylene, PVC and polystyrene from condensation polymers such as nylon and polyester, and relates chain structure to thermoplastics, thermosetting polymers, elastomers, properties, uses and environmental concerns.
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