Chapter - 2 Is Matter around us pure

SCIENCE 9th CLASS

Chapter - 2 

Is Matter around us pure

Topic

1. Introduction
2. Block diagram of substances
3. Pure and impure substances
4. Types of  pure substances
5. Element
6. metal
7. Non metals
8. Metalloids
9. Comparison between metal and non metal
10. Compound
11. Types of compound
12. Inorganic compound
13. Organic compound
14. Characteristic of compounds
15. Mixture
16. Homogeneous mixture
17. Heterogeneous mixture
18. Diff. between compounds and mixture
19. Solution
20. Solubility of a solute
21. Saturated solution
22. Unsaturated solution
23. Suspensions
24. Characteristic of suspension
25. Colloids
26. Characteristic of colloids solutions
27. Tyndall Effect
28. Diff between suspension , colloidal and true solution.
29. Classification of colloids
30. Separation of mixture