Ram wants to separate salt from seawater. He evaporates sea water to obtain salt from it but the salt obtained is impure. Which of the following process will he use to obtain pure crystals of salt?

Sublimation

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Crystallization

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Solidification

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Fusion

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Solution

The correct option is B
Crystallization

The process of obtaining large crystals of pure salt from seawater is known as crystallisation.

The process of crystallisation is used to purify a large number of water-soluble solids. Salt obtained from seawater is an impure substance having many impurities in it. So, this salt is purified by the process of crystallisation. It is also an example of physical change.

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