carbonates are removed in water softening because a they con

carbonates are removed in water softening because a. they consume lim (Ca(OH)2) b. they will ultimaately cause CO2 evolution in pipes (bubbling) c. they are needed as noncarbonnate hardness

Softening means removal of hardness from water. We have a four methods 1. Boiling 2. Lime treatment 3. Lime-Soda Treatment 4. Iron Exchange Process.

For this question answer is option a