Q23 of 270 Page 96

Give any two uses of common salt (sodium chloride).

(i) Sodium chloride is used to enhance the taste of food. (ii) Sodium chloride is used in manufacturing of many chemicals such as baking soda and washing soda.


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21

Why is sodium chloride required in our body?

 22

Name three chemicals made from common salt (or sodium chloride).

 24

What name is given to the common salt which is mined from underground deposits? How was this salt formed?

 25

Name the salt which is used as a preservative in pickles, and in curing meat and fish.