CBSE Class 9 Science Notes – Chapter 2 : Is Matter Around Us Pure?
Substance Anything that cannot be broken into further particles by applying any physical processes is called a Substance. Matter can be classified into two types[…]
CBSE Class 9 Science Notes – Chapter 1 : Matter In Our Surroundings
Matter Anything that occupies space and has mass is called Matter. Physical Nature Of Matter Characteristics Of Particles Of Matter States Of Matter States Of[…]
