Question 1 Name the animal from which wool is commonly obtained? Question 2 What are the two types of fibres? Give example of each type of fibre? Question 3 What is ginning? How is it done? Question 4 State the uses of cotton fibres? Question 5 Name few fibres obtained from plants? Question 6 Name few fibres obtained from animals? Question 7 What type of soil … [Read more...] about Types of Fibres
synthetic fibres
Importance of Chemistry
Importance of Chemistry Some Basic Concepts of Chemistry Class 11 Chemistry Chemistry is defined as that branch of science deals with the study of composition, structure and properties of matter and the changes which the matter undergoes under different conditions and laws which govern these changes. Importance of Chemistry (1) Supply of Food (1) It has provided … [Read more...] about Importance of Chemistry
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 … [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