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7.Give examples to show that plastics are non-corrosive in nature.
8.What is polythene ? What is it used for ?
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plastic are non corrosive in nature it means that they do not react even when they come in contact with any strong chemical also
example, the cleaning chemical we use in our homes are stored in plastic bottles instead of metal.
Polythene is a lightweight and durable thermoplastic .it's composition is Polyester +Ethene .
it is used carry bags ,. for packaging of several things and much more though it's banned in some places.
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