Changes in state, such as melting or boiling, are considered physical changes because they occur without altering the chemical composition or nature of the substance.
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Changes in state, such as melting or boiling, are considered physical changes because they occur without altering the chemical composition or nature of the substance.
Changes in state are considered physical changes because they involve alterations in a substance’s physical form (solid, liquid, gas) without changing its chemical composition. No new substances are formed during these transitions.