Fibres

IMPORTANT

Fibres: Overview

This Topic covers sub-topics such as Silk, Fibre, Wool, Polyester, Natural Fibres, Polyethylene Terephthalate, Uses of Nylon, Animal Fibres, Properties of Polyester, Uses of Rayon, Properties of Rayon and, Various Types of Silk

Important Questions on Fibres

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IMPORTANT

Cellulose is used in the preparation of rayon.

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The cellulose dissolved in sodium hydroxide and carbon disulphide is called _____.

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Rayon is prepared from:

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Rayon is the only synthetic fibre obtained from plant's cellulose.

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Synthetic fibres melt with little heat.

 

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Synthetic fabrics_____ little water.

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Synthetic fibres are prone to catch fire very easily.

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Which of the following is non-biodegradable?

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State two disadvantages of synthetic fibres?

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Pure cotton bedsheets are more shiny than the one made when mixed with rayon.

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which of the following is not true about rayon in context with its use in making bedsheets?

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Wool absorbs more_____ than synthetic fibres.

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Wool is available in different colours.

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Which is costlier:

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Synthetic fibres are more_____ than wool.

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What are the disadvantages of wool?

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Terrycot is a _____ fibre.

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What is Terrycot fabric made of?

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What are the advantages of acrylic fibres?

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What are the advantages of acrylic?