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JEE CHEMISTRY MCQ: HYDROGEN

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Temporary hardness can be removed by boiling because
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Correct option: C
Mg(HCO3)2Mg{(HC{O_3})_2} is converted into Mg(OH)2Mg{(OH)_2} and Ca(HCO3)2Ca{(HC{O_3})_2} is converted into CaCO3CaC{O_3}
Option C (Mg(HCO3)2Mg{(HC{O_3})_2} is converted into Mg(OH)2Mg{(OH)_2} and Ca(HCO3)2Ca{(HC{O_3})_2} is converted into CaCO3CaC{O_3}) is correct because boiling converts soluble bicarbonates of magnesium and calcium into insoluble magnesium hydroxide and calcium carbonate, respectively.

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