Question

Name the type of hardness caused to water due to presence of bicarbonates of Ca2 + or Mg2 +.

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

The hardness type that caused to due to "presence-of chloride or sulphate" is permanent hardness.

Explanation:

Depending upon the types of salts dissolved in the water, hardness of the water can be divided into two types.

1. ‘Temporary hardness’ – caused by “Calcium and Magnesium bicarbonates”.
2. ‘Permanent hardness’- Caused by “Calcium and Magnesium chlorides” and sulphates.

• Water containing very high concentrations different ions some of them are calcium, magnesium, lime, chalk.  
• Different concentrations of these ions of sulphites or chlorides causes hardness of water either temporary or permanently.