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Carbon & its compound

When water is added to a compound of calcium (A),solution of compound B is formed. When carbondioxide gas is passed into the solution, it turms milky due to formation of compound C. If excess of carbon dioxide is passed into to the solution, milkiness disappears due to the formation of D, Identify A, B, C and D.

Carbon forms a large number of compounds due to :

Carbon forms a large number of compounds due to :

When water is added to compound (A) of calcium, solution of compound (B) is formed. When carbon dioxide is passed into the solution, it turns milky due to the formation of compound (C). If excess of carbon dioxide is passed into the solution milkiness disappears due to the formation of compound (D). Identify the compounds A,B,C and D. Explain why the milkiness disppears in the last step.

When water is added to compound (A) of calcium, solution of compound (B) is formed. When carbon dioxide is passed into the solution, it turns milky due to the formation of compound (C). If excess of carbon dioxide is passed into the solution milkiness disappears due to the formation of compound (D). Identify the compounds A,B,C and D. Explain why the milkiness disppears in the last step.