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Which change can be easily reversed?

Answer and explanation

Correct answer: Freezing of water

Freezing of water is a physical change. On heating, the ice melts and becomes water again, so this change can be reversed easily. In contrast, burning wood is a chemical change; the original wood cannot be obtained back from ash and gases. Exam tip: changes of state, such as freezing and melting, are generally reversible physical changes.

Related tags

ChemistryNature Of MatterReversible ChangePhysical ChangeChemical ChangeStates Of MatterClass 11Some Basic Concepts Of Chemistry

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