Select the incorrect statement from the following option.
(a) Water which does not form lather with soap and forms white scum is called hard water
(b) Hard water contains dissolved calcium and magnesium salts in it
(c) In hard water, cleansing quality of soap is depressed
(d) Due to the presence of dissolved hardness-producing salts, the boiling point of water is depressed
The question was posed to me in an online quiz.
Enquiry is from Hardness of Water topic in division Water and its Treatment of Engineering Chemistry II