Question:

Which one of the following removes temporary hardness of water?

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Clark’s method uses slaked lime.
Updated On: Mar 23, 2026
  • Slaked lime
  • Plaster of Paris
  • Epsom
  • Hydrolith
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The Correct Option is A

Solution and Explanation


Step 1:
Temporary hardness is due to bicarbonates of Ca and Mg.
Step 2:
Slaked lime precipitates these as carbonates.
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