What happens to lime water when carbon dioxide gas is bubbled through it in excess
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When Carbon dioxide gas is passed through lime water it turns milky due to formation of insoluble calcium carbonate ( white precipitate).Ca(OH)2+ CO2 ---> CaCO3 + H2O ( White precipitate) On passing excess CO2 the white precipitate disappeares as soluble calcium bicarbonate is formed.CaCO3 + CO2 + H2O---> Ca(HCO3)2
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