Questions
Statement I ; The reagent used in Clarke's process of removal of hardness of water is sodium hydroxide
Statement II ; Deionized water is not potable
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Correct option is C
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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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