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Water softening by Clarke's process uses...

Water softening by Clarke's process uses which of the following

A

Calcium bicarbonate

B

Sodium bicarbonate

C

Potash alum

D

Calcium hydroxide

Text Solution

Verified by Experts

The correct Answer is:
D
In Clarke.s process, slaked lime is added to remove the temporary hardness of water and insoluble calcium carbonate precipitates out. `Ca (OH)_(2), + Ca(HCO_(3))_(2), rarr 2CaCO_(3), + 2H_(3),O` (slaked lime).
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BRILLIANT PUBLICATION-HYDROGEN-LEVEL -I
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  4. The degree of hardness of water is usually expressed in terms of

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  8. Which one of the following processes will produce hard water?

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  11. The conversion of atomic hydrogen into ordinary hydrogen is

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  12. Of the following statements regarding dihydrogen, identify the stateme...

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  15. Which of the properties of interstitial hydrides is correct?

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