CHAPTER -5 Separation of Substances

CHAPTER -5

Separation of Substances

1. What is pure Substances or define substances?
2. what is impure substances ?
3. what is element or define element?
4. what is compound or define compound?
5. Need for separation component of a mixture,
6. Methods of separation,
7. Threshing
8. winnowing
9. Handpicking
10. sieving
11. magnetic separation
12. floating and sinking method
13. sedimentation and decantation 
14. loading
15. filtration
16. separation of solid from other solid
17. separation of water soluble solid or separation solute soluble in solvent,
18. Evaporation 
19. condensation
20. separation of insoluble solid from liquid,
21. separation of immiscible liquids,
22. separation solute not soluble in a solvent