what is hardness of water
Asked by nitinkanyal20 | 18th May, 2020, 07:54: AM
Expert Answer:
Hard water is the one which has high mineral content.
Water hardness is a measure of the amount of calcium and magnesium salts in water.
Water is said to be hard when it does not readily form lather with soap.
1.Temporary Hardness:
Water which contains only hydrogen carbonates of calcium and magnesium is called temporary hard water.
Its hardness canbe removed by just boiling.
2.Permanent Hardness:
Water containing sulphates and chloride of magnesium and calcium is called permanent hard water.
This hardness cannot be removed by boiling.
Water which contains only hydrogen carbonates of calcium and magnesium is called temporary hard water.
Its hardness canbe removed by just boiling.
2.Permanent Hardness:Water containing sulphates and chloride of magnesium and calcium is called permanent hard water.
This hardness cannot be removed by boiling.
Answered by Varsha | 18th May, 2020, 11:55: AM
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