What are the uses of plastics?

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Packing industry

Making toys

Chemical industry

All of these

answer is D.

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Detailed Solution

Concept- A linear, branching or cross-linked structure can be found in polymers. Polymers make up the majority of the substances referred to as plastics. One particular class of polymer that can alter shape is plastic.
Petroleum is used to make plastic. Plastics are used in a lot of things around us. For instance, toys, bags, chairs, tables, cartons, and polythene. Around us, there are some well-known plastics. They are polyamide (commonly known as nylon), which is used in toothbrushes, automotive parts, and polystyrene (plastic spoons and forks, glasses, etc.). Plastic made of polythene is quite popular and is primarily used for carrying bags.
Its uses include in packing industries, making toys and the chemical industry.
Hence, the correct answer is option 4.

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