Question

11. Explain clark's method of removel of temporary hardness of water.
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Answer 1

Answer:

Clark's method of hardness removal is a temporary hardness removal method. In this method some amount of calcium hydroxide is added to the hard water, because of that some insoluble carbonates are found, which are separated through the method of filtration.

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Answer 2

Answer:

in This method calculated amount of lime is aded to hard water. it participates out calcium carbonate and magnesium hydroxide which can. ne filtered off.

$Ca(HCo_3)_2+Ca(OH)_2→2CaCO_3↓+2H_2O$