Chemistry
State four differences between physical and chemical changes.
Phy & Chem Changes
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Answer
| Physical changes | Chemical changes |
|---|---|
| Change is temporary. | Change is permanent. |
| No new substance is formed. There is change only in physical properties. | New substances are formed with entirely different properties. |
| Change can be reversed by simple methods. | Change cannot be reversed by simple methods. |
| Heat or light may or may not be given out or consumed. | Heat or light or both are given out or consumed. |
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