Class 9 Science Notes

Class 9 Science Is Matter Around Us Pure?

CBSE Class 9 Science Notes Chapter 2 Is Matter Around Us Pure? Introduction Matter Pure substance Elements Metals, Non-metals and Metalloids Compounds Homogeneous and Heterogeneous Mixture Mixture and Compound What is a Solution Solution, Suspension and colloids Concentration of a solution Saturated and Unsaturated solution Solubility Physical and Chemical changes Separation of Components from a Mixture

Class 9 Science Is Matter Around Us Pure? Introduction In our everyday lives, we encounter various materials like water, air, food, and metals. But are these materials pure? When scientists talk about something being pure, they mean it is made of only one kind of particle. Pure substances have uniform composition and properties throughout. However, … Read more