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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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