The process of obtaining salt by the evaporation of sea water is a :

chemical change

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physical change

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neutralisation

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galvanisation

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Solution

The correct option is B physical change
The process of obtaining salt by the evaporation of sea water is a process of crystallization which is a reversible process and a physical change, these crystals will convert again in salt solution (seawater) by dissolving them in water.

Hence the correct option is B.

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