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The method used to remove temporary hardness of water is
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Correct option is C
Clark's process is used to remove temporary hardness of water. In this method quick lime is added. The bicarbonates present in temporary hard water reacts with lime water to form insoluble calcium and magnesium carbonate or hydroxide which can be easily filtered off.CaO+ H2O →Ca(OH)2Lime water Ca(OH)2+Ca(HCO3)2→2CaCO3+2H2O 2Ca(OH)2+Mg(HCO3)2→2CaCO3+2H2O+Mg(OH)2Similar 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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