Chemistry / Chem 0062 · Atom · ~20 seconds
Physical Change
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State
A physical change alters the state, form, or properties of matter without changing the chemical identity of the substance present.
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Melting solid wax into liquid wax changes its form but leaves it chemically the same substance throughout.
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A dramatic-looking change is not automatically chemical — grinding a solid into powder can change its color and texture while composition stays identical.
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