What are the advantages of

(i) soft water

(ii) Hard water

(i) Advantages of soft water

1. With soft water soaps and cleansing agents are consumed less, hence, money is saved.
2. Soft water does not leave deposits of minerals on pipes which makes plumbing works easy.
3. Clothes washed with soft water lasts long and stay bright.

(ii) Advantages of hard water

1. The presence of salts in hard water makes it tasty. It is used in preparation of beverages and wine.
2. Calcium and magnesium salts present in small amounts in hard water are essential for the growth of our bones and teeth.
3. Hard water checks poisoning of water by lead pipes. When these pipes are used for carrying water, some lead salts dissolve in water to make it poisonous. Calcium sulphate present in hard water forms insoluble lead sulphate in the form of a layer inside the lead pipe and this checks the lead poisoning.