Calcium Hydroxide is also known as ?

Options

A. Milk of lime
B. Milk of magnesia
C. Milk Water
D. none

Answer

To solve the question "Calcium Hydroxide is also known as?", we will analyze the options given and determine the correct name associated with Calcium Hydroxide.

### Step-by-Step Solution:

1. **Identify the Chemical Formula**:
- Calcium Hydroxide is represented by the chemical formula Ca(OH)₂.

2. **Examine the Options**:
- The options provided are:
- A. Milk of Lime
- B. Milk of Magnesium
- C. Milk Water
- D. None of these

3. **Evaluate Each Option**:
- **Option A: Milk of Lime**
- This is a well-known name for Calcium Hydroxide. It is commonly referred to as Milk of Lime in various contexts, particularly in chemistry and construction.
- **Option B: Milk of Magnesium**
- This refers to Magnesium Hydroxide, which has the formula Mg(OH)₂. Therefore, this option is incorrect.
- **Option C: Milk Water**
- This term does not refer to Calcium Hydroxide. Milk Water is simply a dilute solution of milk and water. Thus, this option is also incorrect.
- **Option D: None of these**
- Since we have identified that Option A is correct, this option is also incorrect.

4. **Conclusion**:
- The correct answer is **Option A: Milk of Lime**.

### Final Answer:
Calcium Hydroxide is also known as **Milk of Lime**.

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