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

Explanation

To answer the question "Name a substance which can be used as an antiseptic as well as disinfectant," we can follow these steps:

### Step 1: Understand the Definitions
- **Antiseptic**: A substance that prevents the growth of disease-causing microorganisms and is safe to use on living tissues.
- **Disinfectant**: A chemical agent used to destroy or inactivate harmful microorganisms on inanimate objects.

### Step 2: Identify Common Substances
- Some substances can act as both antiseptics and disinfectants. Common examples include:
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