Which is not correct about polyvinyl chloride?
Correct answer: B. It is a copolymer
- A. It is used in large scale production of cable insulator
- B. It is a copolymer
- C. It is a homopolymer
- D. It is used in the manufacturing of pipes
Explanation
b) It is a copolymer:This option states that polyvinyl chloride is a copolymer. This statement is not correct. PVC is not a copolymer; it is a homopolymer. A homopolymer is a type of polymer that is composed of repeating units of a single monomer. In the case of PVC, the repeating unit is vinyl chloride (CH2=CHCl).
This question appeared on the ETEA MDCAT 2013 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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