Read the given passage and answer the questions.
Suhana wanted her house to be white washed, She bought 10 kg of quicklime from the market and dissolved it in 30 L of water. On adding lime to water, she observed that the water started boiling even when it was not being heated.
The common name for quick lime is:

Options

A. Calcium hydroxide
B. Calcium oxide
C. Calcium dioxide
D. Calcium carbonate

Explanation

To solve the question about the common name for quicklime, we can follow these steps:

### Step-by-Step Solution:

1. **Identify Quicklime**: Quicklime is a chemical compound that is commonly known as calcium oxide. Its chemical formula is CaO.

2. **Understanding the Options**: The question may provide multiple-choice options, but based on the information provided, we need to focus on identifying the correct common name for quicklime.

3. **Confirming the Common Name**:
- Quicklime = Calcium Oxide (CaO).
- Other names like calcium hydroxide (Ca(OH)₂), calcium dioxide (CaO₂), and calcium carbonate (CaCO₃) are incorrect in this context.

4. **Conclusion**: Therefore, the common name for quicklime is **Calcium Oxide**.

### Final Answer:
The common name for quicklime is **Calcium Oxide (CaO)**.

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