Calcium hydroxide reacts with carbon dioxide to form _____?A.Calcium carbonate and waterB.Calcium carbonate and hydrogenC.Calcium bicarbonate and waterD.None of the above
When calcium hydroxide (Ca(OH)₂) reacts with carbon dioxide (CO₂), the reaction produces calcium carbonate (CaCO₃) and water (H₂O). This is a typical example of a neutralization reaction where a base (calcium hydroxide) reacts with an acidic oxide (carbon dioxide) to form a salt (calcium carbonate) and water.
The balanced chemical equation for this reaction is:
\[
\text{Ca(OH)}_2 + \text{CO}_2 \rightarrow \text{CaCO}_3 + \text{H}_2O
\]
### Explanation:
- **Calcium hydroxide (Ca(OH)₂)** is a strong base.
- **Carbon dioxide (CO₂)** is an acidic gas.
- The products of the reaction are **calcium carbonate (CaCO₃)**, a white insoluble solid, and **water (H₂O)**.
Thus, the correct answer is:
**A. Calcium carbonate and water**
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