Question

how will you obtain pure salt from its impure sample
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Answer 1

Answer:

evaporation

Explanation:

In a solution of NaCl, the water will eventually evaporate off, forming tiny crystals with a cube like shape, this is called table salt,

Answer 2

Answer:

By filtration:

Take a china dish , fill it half with water. Add a spoon of salt in it and shake well. Impurities remain at bottom of the dish whereas salt dissolves in water. It can be separated by filtration.

By evaporation:

Now boil water. After sometime , we observe that water from china dish vaporises completely and salt is left behind in the china dish. This method of separating dissolved in water is called Evaporation.

Explanation:

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