Earlier, gramophone records were made from a natural resin, shellac, which comes from insects on trees. Nowadays, records lighter in weight are made from synthetic plastics like:

polyacrylonitrile

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PVC (or polyvinyl chloride)

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polythene

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bakelite

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Solution

The correct option is B PVC (or polyvinyl chloride)
They are made from PVC (or polyvinylchloride) because they are hard and non-breakable.

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Similar questions

Fill in the following blanks with suitable words :

(a) Synthetic fibres are also called .......... or ....... fibres.

(b) Synthetic fibres are made from raw materials called .......

(d) The use of plastics can be reduced by using bags made of ........ or ......... instead of polythene bags.

Which following synthetic fibre is made from a natural material?

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