Name the products obtained when limestone is calcined.

Explanation

To solve the question, "Name the products obtained when limestone is calcined," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Process of Calcination**:
- Calcination is the process of heating a solid material to a high temperature in the absence or limited amount of air or oxygen. This process is often used to remove impurities from the material.

2. **Identify the Chemical Composition of Limestone**:
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