What happens when co2 is passed over lime water for short time?
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when carbon dioxide is passed over calcium hydroxide then it converted to the calcium carbonate and turns milky which is called milk of magnesia
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Carbon dioxide passed into limewatergives a milky solution, due to precipitation of an insoluble suspension of calcium carbonate: Ca(OH)2(aq) + CO2(g) → CaCO3(s) + H2O(l) If excess CO2 is added, the following reaction takes place: ... The milkiness disappears since calcium bicarbonate iswater-soluble.
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