Q- Give detailed information about the use of :-
i) Synthetic Fibres
ii) Natural Fibres
(3 marks for each part)
Answers
Answer:
Natural fibres like cotton, silk and wool can be damaged by chemical like acids and alkalis.
Synthetic fibres like polyester and nylon, on the other hand, are resistant to most acids and alkalis.
Explanation:
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Answer:
Synthetic Fibres:
As these fibres are durable, stronger and more advantageous than Natural Fibres. They are used:
(i) In Ropes, fishing lines and nets that are much better and stronger than Natural ones.
(ii) Manufacture of various dyes and fibres like Nylon, Rayon and Polyester that are used in making raincoats and water-proof jackets.
(iii) As they are resistant to water, sunlight and damp conditions, they are suggested to be durable, strechable and water-proof.
Natural Fibres:
These fibres are mostly obtained from plants and animals. These are used in:
(i) Cotton and Silk are useful as they are used in making clothes that are wearable and suitable for us.
(ii) Wool is an excellent fibre, used to make fur, blankets and rugs and woollen clothes for winters that keep us warm.
(iii) As they absorb a lot of water, they can be soaked in water to give the desired colour with a dye.
Hope you get this!