What is physical change and chemical …
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Amar Kumar 8 years ago
Physical changes involve states of matter and energy. No new substance is created during a physical change, although the matter takes a different form. The size, shape, and color of matter may change. Also, physical changes occur when substances are mixed but don't chemically react. For example crushing a can,melting an ice cube ,boiling water etc.
Chemical change involves formation of a new chemical species. A change in the chemical properties of the sample may indicate a chemical change (e.g., flammability, oxidation state).
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