Question

Why does hard water not farm lather with soap

Answer 1

Answer:

Hard water does not form lather with soap because it contains many dissolved salts such as the Chlorides, Sulphates and Bicarbonates of Magnesium and Calcium.

Answer 2

$\bf\huge\underline\mathtt\blue{Answer}$

Hard water contains the sulphates and chlorides of magnesium and calcium, which form insoluble compounds with soap. Hence soap does not lather with hard water.