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Questions and Answers
How does the formation of calcium carbonate contribute to the whitewashing process?
How does the formation of calcium carbonate contribute to the whitewashing process?
The formation of calcium carbonate on the walls after two to three days of whitewashing gives a shiny finish to the walls.
What is the chemical formula for marble and how is it related to the formation of calcium carbonate in the whitewashing process?
What is the chemical formula for marble and how is it related to the formation of calcium carbonate in the whitewashing process?
The chemical formula for marble is CaCO3, which is the same as the calcium carbonate formed during the whitewashing process.
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Study Notes
Whitewashing Walls with Slaked Lime
- Slaked lime solution is used for whitewashing walls.
- The chemical reaction between calcium hydroxide (slaked lime) and carbon dioxide in the air forms a thin layer of calcium carbonate on the walls.
- This reaction takes place within 2-3 days after whitewashing, resulting in a shiny finish.
- Calcium carbonate is the resulting compound formed, which has the chemical formula CaCO3.
- Interestingly, marble also has the same chemical formula, CaCO3.
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