Q.

Which of the following is used to make light weight, but strong plastic?

A. Nylon
B. Polythene
C. Polyvinyl Chloride
D. Methyl Methacrylate
Answer» C. Polyvinyl Chloride
Explanation: Polyvinyl chloride (PVC) is a common, strong but lightweight plastic that is used in making tough plastic. It is used for flexible applications such as insulating cables. It is the third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.
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