Question

Why lime water turns milky on passing carbon dioxide gas into it?
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Answer 1

Answer:

Lime water 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.

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Answer 2

HEYA MATE..

HERE'S YOUR ANSWER.

Carbon dioxide (CO2) turns lime water milky due to the formation of insoluble calcium carbonate, CaCO3. Sulphur dioxide (SO2) also does the same, but slowly, as it reacts with calcium hydroxide to form insoluble calcium sulphite.

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