Calcium Oxide, CaO, Also Known as Quick Lime, May React

question 55

Multiple Choice

Calcium oxide, CaO, also known as quick lime, may react with carbon dioxide to form calcium carbonate, CaCO₃. Which acts as a Lewis acid in the reaction?

• A) Ca²⁺
• B) O^2-
• C) CO₂
• D) CaCO₃
• E) CO₃^2-

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