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Question
Differentiate between a physical change and a chemical change with reference to – Energy change taking place during the respective change.
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Solution
| Physical change | Chemical change |
| Generally, energy is neither absorbed nor released during the change. | Generally, energy is either absorbed or evolved during change. |
| Example: Melting of ice, melting of the wax. | Example: Change of milk into curd and burning of a candle. |
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