Question:
What is the product formed when slaked lime reacts with carbon dioxide during whitewashing?
What is the product formed when slaked lime reacts with carbon dioxide during whitewashing?
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Slaked lime + Carbon dioxide \(\rightarrow\) Calcium carbonate + Water
Updated On: May 1, 2025
- Calcium hydroxide
- Calcium carbonate
- Calcium oxide
- Calcium chloride
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The Correct Option is B
Solution and Explanation
Step 1: Identify the reactant, slaked lime.
Slaked lime is calcium hydroxide, \(Ca(OH)_2\).
Step 2: Recall the reaction during whitewashing.
Slaked lime reacts with carbon dioxide (\(CO_2\)) in the air.
Step 3: Write the balanced chemical equation.
\[ Ca(OH)_2(aq) + CO_2(g) \rightarrow CaCO_3(s) + H_2O(l) \]
Step 4: Identify the product formed.
The product is calcium carbonate (\(CaCO_3\)), which forms the white coating.
Slaked lime is calcium hydroxide, \(Ca(OH)_2\).
Step 2: Recall the reaction during whitewashing.
Slaked lime reacts with carbon dioxide (\(CO_2\)) in the air.
Step 3: Write the balanced chemical equation.
\[ Ca(OH)_2(aq) + CO_2(g) \rightarrow CaCO_3(s) + H_2O(l) \]
Step 4: Identify the product formed.
The product is calcium carbonate (\(CaCO_3\)), which forms the white coating.
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