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CO(2) is passed through lime water in ex...

`CO_(2)` is passed through lime water in excess .

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The white precipitate of `CaCO_(3)` gets dissolved in excess of `CO_(2)` to form calcium hydrogen carbonate which is soluble in water . `underset("Lime water")(Ca(OH)_(2(aq)))+underset(("exdess"))(2CO_(2(g)))tounderset(("Soluble in water"))(ca(HCO_(3))_(2(aq)))`
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