Sodium fire in the laboratory should not be extinguished by pouring water . Why ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Sodium Fire**: Sodium is a highly reactive alkali metal. When it comes into contact with water, it reacts vigorously.

2. **Reaction with Water**: The chemical reaction between sodium (Na) and water (H₂O) produces sodium hydroxide (NaOH) and hydrogen gas (H₂):
\[ 2Na + 2H_2O \rightarrow 2NaOH + H_2 \]
...