1.

Which of the following applications of plastics show(s) that plastics are bad conductors of electricity? I. Refrigerators have an insulating wool of plastics. II. Electric wires have a plastic coating. III. Chemicals are stored in plastic containers. IV. Parachutes are made from plastics.

A. II, III and IV only
B. III and IV only
C. I only
D. II only
Answer» E.


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