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Question 1 What is meant by sericulture? Question 2 What are the characteristics of silk fibres obtained from the cocoons of silk moth? Question 3 How will you distinguish between natural and artificial silk? Question 4 What is meant by reeling the silk? How is it done? Question 5 What is a cocoon? name the fibre of which a cocoon is made? Question 6 Describe … [Read more...] about Silk
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Question 1 Name the man-made fibre prepared from natural material? Question 2 Name the man-made fibre which is regarded as artificial silk and why? Question 3 Name the fibre which is obtained by chemical treatment of wood pulp? Question 4 What is rayon? Question 5 How is rayon made? Question 6 Give few uses of rayon? Rayon Silk is a natural fibre obtained … [Read more...] about Rayon
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Question 1 What are synthetic fibres? Question 2 Define the term polymerisation? Question 3 What are polymers? Question 4 Name the 4 types of synthetic polymers? Types of synthetic fibres The man-made fibres produced from chemical substances are called synthetic fibres. They are made in industry by the chemical process called polymerisation.A synthetic fibre … [Read more...] about Types of synthetic fibres