Give reason that why lime water turns milky
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The reason for this is that the cloudiness (calcium carbonate, chalk) reacts with more water and carbon dioxide to form a new compound called calcium hydrogencarbonate that is soluble in water. This chemical is responsible for a type of water known as hard water. Carbon dioxide gas, CO2, turns limewater milky
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Carbon dioxide passed into limewater gives a milky solution.
This is due to the insoluble suspension of calcium carbonate formed.
If excess Carbon dioxide is added, the milkiness disappears since calcium bicarbonate formed, is water-soluble.
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