Question

what happens when carbon dioxide is passed in excess over lime water​

Answer 1

Answer:

When CO2 is passed through lime-water, it turns milky due to the formation of an insoluble precipitate of Calcium Carbonate. ... The CaCO3 precipitate causes the milkiness. If you pass excess CO2 through lime-water, the CaCO3 reacts with the excess CO2 and water to form calcium hydrogen carbonate or calcium bicarbonate.

Answer 2

Answer:

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Explanation:

When CO2 is passed through lime-water, it turns milky due to the formation of an insoluble precipitate of Calcium Carbonate. ... The CaCO3 precipitate causes the milkiness. If you pass excess CO2 through lime-water, the CaCO3 reacts with the excess CO2 and water to form calcium hydrogen carbonate or calcium bicarbonate.