Why don't we use soda acid fire extinguishers to extinguish metal fires?

Explanation

### Step-by-Step Solution

1. **Understanding Soda Acid Fire Extinguishers**:
- Soda acid fire extinguishers contain sodium bicarbonate (baking soda) and sulfuric acid. When these two substances react, they produce sodium sulfate, water, and carbon dioxide (CO2).

2. **Reaction of Soda and Acid**:
- The chemical reaction can be represented as:
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