Question

when carbon dioxide is passed through lime water ,it turns milky due to the formation of​

Answer 1

Answer:

Calcium carbonate

Explanation:

When CO2 is passed through lime water, it turns milky due to the formation of calcium carbonate which is insoluble in  limewater .

Ca(OH)2+CO2⇒CaCO3+H2O.

However, when excess of CO2 is passed through this solution, the milkiness disappears. This is due to the formation of calcium bicarbonate which is colorless and soluble in water.

Answer 2

Resultant carbon dioxide passed through limewater in the right tube, producing a milky solution due to precipitation of the insoluble suspension of calcium carbonate: Ca(OH)2(aq) + CO2(g) → CaCO3(s) + H2O

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