How would you prepare boric anhydride from boric acid?

Explanation

To prepare boric anhydride (B2O3) from boric acid (H3BO3), follow these steps:

### Step-by-Step Solution:

1. **Gather Materials**:
- You will need boric acid (H3BO3) as the starting material.
- A heat source capable of reaching high temperatures (red-hot conditions).
- A suitable container that can withstand high temperatures (like a crucible).
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