What is obtained on adding lime to `H_(2)O` ?

Options

A. lime
B. limestone
C. slaked lime
D. quicklime

Explanation

To solve the question "What is obtained on adding lime to H₂O?", we can follow these steps:

### Step-by-Step Solution:

1. **Identify Lime**: Recognize that "lime" typically refers to calcium oxide, which is represented by the chemical formula CaO.

2. **Chemical Reaction**: When lime (CaO) is added to water (H₂O), a chemical reaction occurs. This can be represented as:
\[ \text{CaO} + \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 \]

3. **Product Formation**: The product of this reaction is calcium hydroxide, which has the chemical formula Ca(OH)₂.

4. **Common Name**: Calcium hydroxide is commonly known as "slaked lime".

5. **Conclusion**: Therefore, when lime is added to water, the product formed is slaked lime (Ca(OH)₂).

### Final Answer:
When lime (CaO) is added to water (H₂O), slaked lime (Ca(OH)₂) is obtained.

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