Question

9. Explain the following:
(0) Mg(HCO,), requires double the amount of lime for softening.
(ii) Presence of Naalo, in water to be softened can save the cost of Ca(OH),.​

Answer 1

Answer:

1.Magnesium carbonate need double the amount of lime for softening because

(i) The pH should be increased for neutralizing the excess hydroxide ions

.

2. I don't know