Question

Hention the
Salls
responsible for temporary harden?​

Answer 1

Answer:

Answer

The presence of calcium and magnesium bicarbonates Ca(HCO

3

)

2

and Mg(HCO

3

)

2

causes temporary hardness in water. The presence of soluble salts of calcium and magnesium, i.e., sulphates and chlorides of calcium and magnesium cause permanent hardness in water.

Answer 2

Answer:

The presence of calcium and magnesium bicarbonates Ca(HCO 3 ) 2 and Mg(HCO3 ) 2 causes temporary hardness in water. The presence of soluble salts of calcium and magnesium, i.e., sulphates and chlorides of calcium and magnesium cause permanent hardness in water.