Question:
Observe the diagram given below and answer the questions:
What is the colour change in the lime water?
Observe the diagram given below and answer the questions:
What is the colour change in the lime water?
Updated On: Nov 7, 2025
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Solution and Explanation
Effect of \(\text{CO}_2\) on lime water
- The carbon dioxide gas produced reacts with lime water (\(\text{Ca(OH)}_2\)), forming calcium carbonate (\(\text{CaCO}_3\)). - The reaction is: \[ \text{Ca(OH)}_2 + \text{CO}_2 \rightarrow \text{CaCO}_3 + \text{H}_2\text{O} \] - Calcium carbonate is insoluble, giving lime water a milky appearance.
- The carbon dioxide gas produced reacts with lime water (\(\text{Ca(OH)}_2\)), forming calcium carbonate (\(\text{CaCO}_3\)). - The reaction is: \[ \text{Ca(OH)}_2 + \text{CO}_2 \rightarrow \text{CaCO}_3 + \text{H}_2\text{O} \] - Calcium carbonate is insoluble, giving lime water a milky appearance.
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