Name a substance which can be used as an antiseptic as well as disinfectant.

Explanation

**Step-by-Step Solution:**

1. **Understanding Antiseptics and Disinfectants:**
- Antiseptics are chemical substances used to kill or inhibit the growth of microorganisms on living tissues, such as human skin. They are typically used to clean wounds and prevent infections.
- Disinfectants, on the other hand, are used to eliminate microorganisms on inanimate surfaces, such as countertops and medical instruments. They are not safe for use on living tissues.

2. **Identifying a Common Substance:**
- We need to find a substance that can serve both as an antiseptic and a disinfectant. This means it should be effective in killing microorganisms on both living tissues and non-living surfaces.
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