Question

While washing clothes in hard water,
(a) soap forms lather.
(b) small amount of soap is used.
(c) large amount of soap is used.
(d) soap gives a clear solution.

Answer 1

Dear student

Q27
Hard water does not produce lather with soap solution because the cations present in hard water react with soap to form insoluble precipitates.When hard water is used,the lather produced is very less and the soap used is very high.
Hence option c is the answer.

Regards