How do we differentiate chemical change from physical change

Brian Fisher asked Aug 2, 2023

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Brian Fisher asked Aug 2, 2023

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17 votes

Answer:

Chemical change :has change in mass, heat is needed, new element is formed, hard to reverse.......

Physicalchange:does not have change in mass, heat is not necessary, no new element is formed, easy to reverse

Lulalala answered Aug 5, 2023

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