Identify the fibres, P, Q and R using the given hints.

P: It does not get wrinkled easily, remains crisp and is easy to wash.
Q: It was the first fully synthetic fibre.
R: It is a man-made fibre prepared from a natural raw material.

P: Polyester; Q: Nylon; R: Rayon

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P: Rayon; Q: Polythene; R: Terylene

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P: Melamine; Q: Nylon; R: Polyester

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P: Nylon; Q: Polythene; R: Bakelite

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Solution

The correct option is A P: Polyester; Q: Nylon; R: Rayon
$∙$ Polyester fabrics and fibers are extremely strong. Polyester is very durable, resistant to most chemicals, stretching and shrinking and wrinkle resistant.
$∙$ Nylon is a thermoplastic silky material that can be melt-processed into fibres, films, or shapes. It was the first fully synthetic fibre.
$∙$ Rayon is a regenerated cellulose fibre that is made from natural sources of cellulose, such as wood and related agricultural products. Although it is obtained from a natural source, yet it is a man-made fibre.

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Similar questions

Q. Identify the fibres,

P, Q

and

R

using the given hints.

P .

It does not get wrinkled easily, remains crisp and is easy to wash.

Q .

It was the first fully synthetic fibre.

R .

Although it is obtained from a natural source, yet it is a man-made fibre.

Q. Synthetic fibres are strong, elastic, light, wrinkle-resistant, and easy to wash and dry. Even with so many advantages, we do not wear clothes made of pure synthetic fibres, but a mixture of synthetic and natural fibres. Why is this necessary?

Q. Why is it not advisable to wear synthetic clothes while bursting fire crackers?

(i) All synthetic fibres are prepared by using raw materials of petroleum origin.

(ii) Synthetic fibres catch fire easily.

(iii) On heating, synthetic fibres melt and stick to the body of the person wearing it.

Q. Fabric made from which of the fibre does not get wrinkled easily?

Fill in the blanks.

(i) A polymer is a chain of many small units joined together which are called

(ii) The synthetic fibres are also known as fibres.

(iii) The first fully synthetic fibre was .

(iv) A fibre similar to wool is .

(v) A plastic used for making crockery is .

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Identify the fibres, P, Q and R using the given hints. P: It does not get wrinkled easily, remains crisp and is easy to wash. Q: It was the first fully synthetic fibre. R: It is a man-made fibre prepared from a natural raw material.

Identify the fibres, P, Q and R using the given hints.

P: It does not get wrinkled easily, remains crisp and is easy to wash.
Q: It was the first fully synthetic fibre.
R: It is a man-made fibre prepared from a natural raw material.