9th class
August 18, 2019
Chapter - 2 Is Matter around us pure
SCIENCE 9th CLASS
Chapter - 2
Is Matter around us pure
Topic
- Introduction
- Block diagram of substances
- Pure and impure substances
- Types of pure substances
- Element
- metal
- Non metals
- Metalloids
- Comparison between metal and non metal
- Compound
- Types of compound
- Inorganic compound
- Organic compound
- Characteristic of compounds
- Mixture
- Homogeneous mixture
- Heterogeneous mixture
- Diff. between compounds and mixture
- Solution
- Solubility of a solute
- Saturated solution
- Unsaturated solution
- Suspensions
- Characteristic of suspension
- Colloids
- Characteristic of colloids solutions
- Tyndall Effect
- Diff between suspension , colloidal and true solution.
- Classification of colloids
- Separation of mixture
