Explain the following :
All glass apparatus is used in the laboratory preparation of nitric acid .

Explanation

### Step-by-Step Solution:

1. **Understanding Nitric Acid (HNO3)**:
- Nitric acid is a strong acid with the chemical formula HNO3. It is known for its corrosive nature and the ability to produce toxic fumes.

**Hint**: Remember that nitric acid is highly reactive and can produce fumes that are hazardous.

2. **Fumes Produced During Preparation**:
...