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What is hard water examples?


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Solution

Hard water:

  • The hardness of water is due to the presence of soluble bicarbonates, chlorides, and sulphates of calcium and magnesium.
  • Hard water does not produce lather with soap.

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.


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