Name the evolved gases in following cases : Action of heat on calcium carbonate

Explanation

To determine the evolved gases when calcium carbonate is heated, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Compound**: The compound in question is calcium carbonate, which has the chemical formula CaCO₃.

2. **Understand the Process**: When calcium carbonate is subjected to heat, it undergoes a process known as thermal decomposition. This means that the compound breaks down into simpler substances when heated.

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