A. Ca (HCO3)2 and Mg (HCO3)2 salts
B. Ca (HCO3)2 and CaCO3 salts
C. Mg(HCO3)2 and CaSO4 salts
D. CaSO4 and Ca(HCO3)2 salts
Correct Answer:
Option A – Ca(HCO3)2 and Mg(HCO3)2 salts
Water is said to be temporarily hard when it contains?
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