Question

write a disadvantage of hard water​

Answer 1

Answer:

This causes wastage of soap being used. ...

(ii) Bathing: Hard water does not lather freely with soap solution, but produces sticky scum on the bath-tub and body. ...

(iii) Cooking: Due to the presence of dissolved hardness-producing salts, the boiling point of water is elevated.

Answer 2

Disadvantages of using hard water are-

1. Hard water is unfit for washing as it is difficult to form lather with soap.

2. Scum may form in a reaction with soap, wasting the soap.

3. Furring of tea kettles will take place due to the formation of carbonates of calcium and magnesium.

4. Hard blocks hot water pipes. This is due to the formation of layers of carbonates of calcium and magnesium.

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