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Hardness of water is due to the presence of
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Correct option is D
Hardness of water is due to the following salt.Ca & Mg bi carbonates, ⇒ Ca(HCO3)2, Mg(HCO3)2Ca & Mg chlorides, Sulphates ⇒ CaCl2, MgCl2CaSO4, MgSO4Similar 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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