Water softening by Clarke's process used:

1.	Water softening by Clarke's process used:
Answer» `NaHCO_(3)` `Ca(OH)_(2)` `Ca(HCO_(3))_(2)` `Na_(2)CO_(3)`. SOLUTION :(b) WATER softening by Clark's process uses slaked lime i.e. `Ca(OH)_(2)`. For details, consult section 9.10

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