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 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 fillings and nephthalene?
6. Which of the following does not undergo sublimation? a) camphor b) silca c) iodine d) dry ice
7. What is loading?
8. How will you obtain copper sulphate crystal 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 application of centrifuge machine in our daily routine.