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NEETChemistryHydrogen

What causes the temporary and permanent hardness of water?

Options

  1. ATemporary hardness is caused by the presence of dissolved calcium and magnesium hydrogen carbonate ions, while
  2. BTemporary hardness is due to the presence of calcium and magnesium sulphate or chloride ions, while permanent
  3. CBoth temporary and permanent hardness are caused by the presence of dissolved calcium and magnesium bicarbonat
  4. DBoth temporary and permanent hardness are due to the presence of calcium and magnesium sulphate or chloride io

Correct answer

A. Temporary hardness is caused by the presence of dissolved calcium and magnesium hydrogen carbonate ions, while

Step-by-step solution

Correct Option is : (A) Temporary hardness is caused by the presence of dissolved calcium and magnesium hydrogen carbonate ions, while permanent hardness is due to the presence of calcium and magnesium sulphate or chloride ions.

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