Question

1. Define the term 'synthetic fibres'.
2. Write two uses of rayon.
3. Name two to three articles that can be made from nylon.
4. Why are clothes made from synthetic fibres uncomfortable in summer?​

Answer 1

Answer:

1. the fibres made artificially is called synthetic fibres

2.mixed with cotton to make bed sheets

mixed with wool to make carpets

3.parachutes,socks rocks for climbing

4.becuse they does not absorb sweat

Answer 2

Answer:

1. Synthetic fibres are fibres that are made by the synthesis of petro chemicals.
2. Rayon is similar to silk so it is used to make clothes which is very cheeper comparing to artificial silk sarees, etc. It is used to make bedsheets.
3. Nylon ropes for rock climbing, parachutes, clothes, socks,
4. Because during summer season, the temperature is more, so our body produces sweat inorder to overcome these temperature. The clothes made up of synthetic fibre will not absorb these sweat and does not provide any aeration to body. It is better to prefer cotton which provides aeration, absorbs sweat and makes us comfortable during summer season.