What is hard water examples?
Hard water:
The hardness of water:
Temporary hardness: It is due to the presence of carbonates of magnesium and calcium. Temporary hardness can be removed by boiling.
Permanent hardness: It is due to the presence of chlorides and sulphides of Calcium and magnesium. Permanent hardness can be removed by treating it with washing soda.
Example of hard water: Ground water from deep wells.