Lime or $CaCl_2$ is added to water to remove which of the following impurities?
- A$S^{-2}$
- B$SO_3^{-2}$
- C$F^{-}$
- D$NO_2^{-}$
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Similar Questions
The solubility of an ionic compound is compared in heavy water $(D_2O)$ and simple water $(H_2O)$. It is:
Medium
View SolutionFind the number of $CORRECT$ order against mentioned property :-
$(i)$ $D_2O = H_2O$ (number of electrons)
$(ii)$ $D_2O > H_2O$ $(|\Delta H_f|)$
$(iii)$ $D_2O > H_2O$ $(|\Delta H_{vaporization}|)$
$(iv)$ $D_2O > H_2O$ (density)
$(v)$ $D_2O > H_2O$ (Molecular mass)
$(i)$ $D_2O = H_2O$ (number of electrons)
$(ii)$ $D_2O > H_2O$ $(|\Delta H_f|)$
$(iii)$ $D_2O > H_2O$ $(|\Delta H_{vaporization}|)$
$(iv)$ $D_2O > H_2O$ (density)
$(v)$ $D_2O > H_2O$ (Molecular mass)
Difficult
View SolutionWhen a molten ionic hydride is electrolysed:
Medium
View SolutionWhich one of the following is not a method to remove permanent hardness of water?
The surface tension of which of the following liquids is maximum?
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