Question

With the aid of chemical equation only describe what will be observed when CO2 is passed into limewater for a while : ( b). in excess

Answer 1

Answer:

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

Explanation:

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