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JEE CHEMISTRY MCQ: 14 TH GROUP ELEMENTS (P-BLOCK)
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Carbon dioxide turns:
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Correct option: A
Lime water milky & clears it again when is in excess
Option A (Lime water milky & clears it again when is in excess) is correct because carbon dioxide reacts with lime water to form calcium carbonate, which makes it milky, and excess carbon dioxide converts it to soluble calcium bicarbonate, clearing the solution.
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