Question 1 Which synthetic fibre contains the organic group similar to those which give fruits their sweet smell? Question 2 To which kind of synthetic fibres does terylene belong? Question 3 What is polyester? Question 4 Name a popular polyester? Question 5 What are esters? Question 6 Polyester is a thermoplastic polymer. Discuss? Question 7 What is a … [Read more...] about Polyester
Class 8
Nylon
Question 1 Name the first fully synthesised fibre? Question 2 What is nylon? Question 3 State the important properties of nylon? Question 4 Give the important uses of nylon? Question 5 Name the monomeric unit in nylon? Question 6 Why nylon is a thermoplastic polymer? Nylon It is the first fully synthetic fibre made by man without using any natural raw … [Read more...] about Nylon
Rayon
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
Types of Synthetic Fibres
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 is a … [Read more...] about Types of Synthetic Fibres
Synthetic Fibres
Question 1 What is a polymer? Question 2 Name the natural polymer from which cotton is made? Question 3 Name the units of which cellulose polymer is made? Question 4 Define the term monomer? Question 5 What are fibres? Question 6 What are natural polymers. Give example? Question 7 What are synthetic polymers. Give example? Synthetic Fibres and Plastics A … [Read more...] about Synthetic Fibres