Give one example each of cationic and anionic detergent.

Explanation

### Step-by-Step Solution

1. **Understanding Detergents**:
- Detergents are cleaning agents that are typically synthetic and derived from petroleum fractions, hydrocarbons, or coal. They are designed to remove dirt and grease from surfaces.

2. **Cationic Detergents**:
- Cationic detergents are characterized by a positive charge. They are often quaternary ammonium salts, which means they contain a nitrogen atom that is bonded to four organic groups, resulting in a positive charge.
- **Example**: Acetyltrimethylammonium chloride (C₁₈H₃₉ClN).
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