What happens when barium azide is heated ?

Explanation

**Step-by-Step Solution:**

1. **Identify the Compound**: The compound in question is barium azide, which has the chemical formula Ba(N₃)₂.

2. **Heating the Compound**: When barium azide is subjected to heat, it undergoes thermal decomposition.

3. **Decomposition Reaction**: The reaction can be represented as follows:
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