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If excess of Ca(OH)2 is added to hard water in Clark's method
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Correct option is D
Milk of like [Ca(OH)2] is used to remove temporary hardness of water.Temporary hardness of water is caused by bicarbonates of Ca & Mg.Similar Questions
The molecular formula of a commercial resin used for exchanging ion in water softening is C8H7SO3 Na (mol. wt. = 206). What would be the minimum uptake of Ca2+ ions by the resin when expressed in mole per gram resin ?
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