Question

Why did lime water turns milky when CO2 gas is flow?

Answer 1

Explanation:

Limewater Ca(OH)2 reacts with Co2 and form calcium carbonate CaCO3 which is insoluble and white crystalline in nature. ... When carbon dioxide is passed through lime water it turns milky due to the formation of water insoluble precipitate CaCO3. Still if excess of CO2 is passed it forms water soluble Calcium bicarbonate .

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Answer 2

Explanation:

lime water reacts with CO2 forms calcium carbonate I.e.CaCo3 which is insoluble in water and crystalline in nature.When CO2 pass through milky water it turns milky due to formation of water insoluble precipitate CaCO3