What happens when air is passed through lime water? -Science

What happens when air is passed through lime water? -Science
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1 Answer

Answer :

it turns milky white. and the product obtained is calcium carbonate + water
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What happens when excess of carbon dioxide gas is passed through lime water? (a) Lime water first turns milky and then colorless (b) Lime water turns bluish me water turns milky (d) Lime water turns blackish

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Last Answer : (a) Lime water first turns milky and then colorless

Salt A commonly used in bakery products on heating gets converted into another salt B which itself is used for removal the hardness of water and a gas C is evolved. The gas C when passed through lime water ,turns it milky. Identify A,B and C. (a) A is sodium hydrogen carbonate ,B is hydrous sodium carbonate and c is carbon dioxide (b)A is sodium carbonate ,B is sodium hydrogen carbonate and c is Carbon monoxide © A is baking soda ,B is washing soda and C is carbon dioxide (d) both a and c

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A student dropped few pieces of marble in dilute hydrochloric acid contained in a test tube. The evolved gas was then passed through lime water. What change would be observed in lime water? Write balanced chemical equation for both the change observed?

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Last Answer : Answer. When dilute HCl is added to marble which is calcium carbonate, it forms calcium chloride, water and carbon dioxide. The chemical equation for the reaction is as follows: CaCO3 + 2HCl → CaCl2 + H2O ... reaction between lime water and carbon dioxide is as follows: Ca(OH)2 + CO2 → CaCO3 + H2O

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Last Answer : i hope it helped you

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Last Answer : A precipitate of calcium carbonate is formed.

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Last Answer : (1) Calcium Carbonate Explanation: When carbon dioxide is passed through lime water for a short time, it turns lime water milky due to formation of a white precipitate of calcium carbonate.

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Last Answer : [Ca(OH)2] is the formula of lime water.

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