Is matter around us pure
Assignment questions of chapter is matter around us pure class 9th science
1. What are the objectives for separating the constituents of a mixture?
2. Name the process to be used in separating an insoluble solid from a liquid.
3. How will you separate iodine from a mixture of iodine and common salt?
4. How is cream separated from milk?
5. Describe a method of separating a mixture containing chalk powder, iron filings and naphthalene.
7. What is loading?
8. How will you obtain copper sulphate crystals from an impure sample of copper sulphate.
9. For what purpose, electromagnets are used in hospitals and in heavy industry?
10. Name four compounds which undergo sublimation on heating.
11. Draw a labelled diagram showing the separation by sublimation.
12. Suggest a scheme for separating the constituents of a mixture containing Sugar, Water and Kerosene.
13. Mention some practical applications of centrifuge machine in our daily routine.
Assignment questions of chapter is matter around us pure class 9th science
1. What are the objectives for separating the constituents of a mixture?
2. Name the process to be used in separating an insoluble solid from a liquid.
3. How will you separate iodine from a mixture of iodine and common salt?
4. How is cream separated from milk?
5. Describe a method of separating a mixture containing chalk powder, iron filings and naphthalene.
7. What is loading?
8. How will you obtain copper sulphate crystals from an impure sample of copper sulphate.
9. For what purpose, electromagnets are used in hospitals and in heavy industry?
10. Name four compounds which undergo sublimation on heating.
11. Draw a labelled diagram showing the separation by sublimation.
12. Suggest a scheme for separating the constituents of a mixture containing Sugar, Water and Kerosene.
13. Mention some practical applications of centrifuge machine in our daily routine.
