MATTER AROUND US PURE; CLASS 9
· Anything that cannot be broken into further particles by applying any physical processes is called a Substance . · Matter can be classified into two types of substances – Pure substances and Mixtures Pure substance: A substance that consists of only one type of particle is called a Pure Substance . For Example , Diamond, Salt, Sulphur, Tin. Mixture: · When we combine different substances into each other a mixture is formed. For Example , Lemonade is a mixture of three substances, Lemon Juice, Sugar and Water. · Which of these is a mixture or a pure substance? Water, Copper, Chocolate cake, Hydrogen, Soil, Air Mixture – Chocolate cake, Soil, Air Pure substance – Water, Copper, Hydrogen Types of Mixtures There are two categ...