Which of the following is not a property of Plastics?

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Non-reactivity

Poor conduction of electricity

Strength and durability

Biodegradable

answer is D.

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Detailed Solution

Plastic does not react with strong chemicals. Hence, cleansing chemicals are stored in plastic bottles. So, Non-reactivity is a property of plastics.
The electric charges are carried by free electrons. Electric charges cannot be carried if there are no free electrons, hence there is no electricity conduction. As plastics have few or no free electrons since their molecules are formed up of lengthy chains of carbon and hydrogen atoms. So, poor conduction of electricity is a property of plastics.
Plastics are polymers made up of a very large number of molecules joined end to end to form long chains. It is the characteristics of the large chains of plastics, which make plastics strong and durable.
Plastics can not be decomposed by microorganisms. Hence, Biodegradable is not a property of plastics.

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