Question:
Which of the following reactions occur during calcination?
Which of the following reactions occur during calcination?
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In calcination, metal carbonates typically decompose to form metal oxides and release carbon dioxide.
Updated On: May 9, 2025
- \( \text{CaCO}_3 \rightarrow \text{CaO} + \text{CO}_2 \)
- \( \text{Fe}_2\text{O}_3 + 3\text{CO} \rightarrow 2\text{Fe} + 3\text{CO}_2 \)
- \( 4\text{FeS}_2 + 11\text{O}_2 \rightarrow 2\text{Fe}_2\text{O}_3 + 8\text{SO}_2 \)
- \( \text{FeO} + \text{SiO}_2 \rightarrow \text{FeSiO}_3 \)
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The Correct Option is A
Solution and Explanation
Calcination is the process of heating a substance, usually in the presence of air or oxygen, to bring about its decomposition or removal of volatile components. The reaction of calcium carbonate (\(\text{CaCO}_3\)) with heat to produce calcium oxide (\(\text{CaO}\)) and carbon dioxide (\(\text{CO}_2\)) is a typical example of calcination. This process is common in the production of lime from limestone.
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