ICSE Class 8 Chemistry — Chapter Summary

Matter is anything which has mass, occupies space and can be perceived by our senses. Chemistry studies matter in terms of its structure, composition, and physical and chemical properties. Matter is made of tiny particles called atoms and molecules, and it exists mainly as solids, liquids, and gases

Changes happen all around in nature and in daily life. Some changes are fast, some are slow, some repeat at regular intervals, and some do not. The main division is between physical changes and chemical changes. In a physical change, no new substance is formed. In a chemical change, a new substance

Matter can be grouped into elements, compounds, and mixtures on the basis of composition and properties. Elements and compounds are pure substances, while mixtures are impure substances. Elements contain only one kind of atom, compounds contain two or more elements joined chemically in a definite pr