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Question

Why is it advised not to wear synthetic clothes while working in laboratory or kitchen? Name four synthetic fibres and mention their uses apart from their usage in clothes. [5 MARKS]

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Solution

Reason: 1 Mark
Fibres + uses: 1 Mark each


Synthetic fibres don't burn but melt on exposure to fire. If they catch fire, they melt and stick to the body of the person wearing them. This is why it is advised not to wear clothes made of synthetic fibre while working in a kitchen or in a laboratory.

Four synthetic fibres - rayon, nylon, Teflon, and acrylic
Rayon - It is used for making surgical dressings.
Nylon - It is used for making ropes.
Teflon - It is used as a non-stick coating for pans and other cookware.
Acrylic- It is used to make coloured plexiglass sheets.


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