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Question
When slaked lime is passed through excess CO2, it forms ______.
Options
Ca2HCO3
Ca(HCO3)2
CaCl2
CaCO3
MCQ
Fill in the Blanks
Solution
When slaked lime is passed through excess CO2, it forms Ca(HCO3)2.
Explanation:
\[\ce{Ca(OH)2 + CO2 -> CaCO3 + H2O ->[CO2] \underset{\text{Carbonate}}{\underset{\text{Calcium hydrogen}}{Ca(HCO3)2}}}\]
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