Physical changes involve alterations in the state or appearance of a substance without changing its chemical composition, whereas chemical changes result in the formation of new substances with different chemical properties.
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Physical changes involve alterations in the state or appearance of a substance without changing its chemical composition, whereas chemical changes result in the formation of new substances with different chemical properties.
Physical changes alter a substance’s appearance or state without changing its chemical composition, like melting or boiling. Chemical changes, however, involve the rearrangement of atoms, forming new substances with different chemical compositions, such as rusting or combustion.