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Question
A substance absorbs \[\ce{CO2}\] and violently reacts with water. That substance is ______.
Options
\[\ce{CaCO3}\]
\[\ce{CaO}\]
\[\ce{H2SO4}\]
\[\ce{ZnO}\]
MCQ
Fill in the Blanks
Solution
A substance absorbs \[\ce{CO2}\] and violently reacts with water. That substance is \[\ce{CaO}\].
Explanation:
\[\ce{CaO + CO2 → CaCO3}\]
\[\ce{CaO + H2O → Ca(OH)2}\]
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