Question
Give four important properties of plastics.

Answer

Plastic plays an important role in our life because:
$-$Plastic is light and strong. The weight of plastic is less when compared to that of metal.
$-$Plastic is very cheap. So, plastic bags and other plastic items have low cost.
$-$Plastic does not react with air and water, and so it does not corrode easily. Hence it is durable.
$-$Plastic can be remoulded into different shapes and sizes. It can be used for various purposes.

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