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Crafts and Craftsmen

Identify the ...

Question

Identify the fibres X and Y based on their description given below.

Fibre X: Gives an odour similar to that of burning hair
Fibre Y: Gives an odour similar to that of burning paper

A

Fibre X: Wool or cotton
Fibre Y: Silk

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B

Fibre X: Cotton
Fibre Y: Wool or silk

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C

Fibre X: Silk or wool
Fibre Y: Cotton

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D

Fibre X: Silk or cotton
Fibre Y: Wool

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Solution

The correct option is C Fibre X: Silk or wool
Fibre Y: Cotton
Plant fibres such as cotton or jute on burning, give an odour similar to that of burning paper.

Animal fibres such as wool or silk on burning, give an odour similar to that of burning hair.

Therefore, fibre X could be silk or wool and fibre Y could be cotton.

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Similar questions

Q. Select the correct statements based on the properties of fibres P, Q, and R given below.

P: A cellulosic fibre obtained from fruit
Q: A proteinaceous fibre with smoothness, lustre, and strength
R: A petrochemical-based fibre

1: Fibre P could be jute.
2: Fibre Q could be wool.
3: Fibre R could be polyester.
4: Fibre P gives an odour similar to that of burning paper on burning.
5: Fibre Q gives an odour similar to that of burning plastic on burning.
6: Fibre R gives an odour similar to that of burning hair on burning.
7: Fibre P and Q absorb more moisture than fibre R.

Q. write the name of the fibre which on burning gives an odour similar to that burning paper

Q. Which of the following statements regarding fibres are true?
1. Fibroin is an insoluble protein present in silk.
2. The process of scouring of wool involves the risk of getting infected by Anthrax bacteria.
3. Wool melts on burning and gives an odour similar to that of burning paper.
4. Cotton melts on burning and gives an odour similar to that of burning hair.
5. Polyester melts on burning and gives an odour similar to that of burning plastic.

Q. The observations of the burning test of two unknown fibres X and Y are given below:

X: Melts on burning and gives an odour similar to that of burning plastic
Y: Does not melt on burning and gives an odour similar to that of burning paper

Based on the above details, choose the correct statement among the following.

1. Fibre X is produced using petrochemicals.
2. Fibre Y is obtained from animals.
3. Fibre X has a low moisture-absorption capacity compared to Fibre Y.

78 Cotton yarn on burning gives an odour similar to that of a burning paper.

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