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Question
When carbon dioxide is passed through limewater, it turns milky due to the formation of ____________.
Options:
A .  calcium carbonate
B .  calcium bicarbonate
C .  calcium oxide
D .  carbon monoxide
Answer: Option A
:
A
When carbon dioxide is passed through limewater, it turns milky due to the formation of calcium carbonate. The reaction involved is given below:
Ca(OH)2(aq)+CO2(g)CaCO3(s)+H2O(l)

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