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Give reason : Freezing of water to ice and evaporation of water are physical changes .

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Freezing of water to ice and evaporation of water are physical changes as water can be brought back to its original form i.e, liquid by
1. Heating the ice.
2. Cooling down the water vapours.

Final answer:
1. Heating the ice.
2. Cooling down the water vapours.

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