Question

Sea water contains many salts dissolved in it. How can the salt that we use in food is obtained?

Answer 1

Answer:

1. firstly all the water is evaporated which was stored by making blocks .

2. now the salt obtained so many impurities.

3. thereforw HCl(hydrogen chloride ) gas is passsed through it and then it is obtained in purest form.

4. now it is used in food.

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