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Permanent hardness of water can be removed by?

Chemistry
JAMB 2010

Permanent hardness of water can be removed by?

  • A. filtration
  • B. adding slaked lime
  • C. adding caustic soda
  • D. boiling
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Correct Answer: Option C
Explanation

-  this hardness cannot be removed by boiling. We can remove this hardness by treating the water with washing soda, caustic soda and permutit

There is an explanation video available below.

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Explanation Video

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