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Physical & Chemical Changes | TUTOR SPM

Physical & Chemical Changes

Physical change refers to changes to the physical appearance of matter that does not alter its chemical composition.

Examples of physical changes: ice melting, water boiling (changes in the states of matter), sugar dissolves in water…

Chemical change refers to changes to the chemical composition of matter which results in the formation of new kinds of matter. Chemical change is also known as chemical reaction.

Examples of chemical changes: rusting of iron, baking a cake, photosynthesis, mixing hydrochloric acid with sodium hydroxide (mixing an acid with a base)…