Changes occur constantly in the world around us. A physical change is a change in which the physical properties of a substance change, but its chemical composition remains the same. Examples include melting ice, dissolving sugar in water, and tearing paper. Physical changes are usually reversible. A chemical change, also called a chemical reaction, results in the formation of one or more new substances with different properties. These Multiple Choice Questions on Physical and Chemical Changes help students distinguish between these two types of transformations. Examples include burning of wood, rusting of iron, and cooking of food. Chemical changes are usually irreversible and may involve energy changes, colour change, gas evolution, or precipitate formation. Understanding the difference between physical and chemical changes helps students recognise and explain everyday phenomena and industrial processes. Attempt these 10 multiple-choice questions to test your knowledge of physical and chemical changes and their characteristics.
