What is meant by denatured alcohol? What is the need to denature alcohol?

Explanation

**Step-by-Step Solution:**

1. **Definition of Alcohol:**
- Alcohols are organic compounds characterized by the presence of one or more hydroxyl (–OH) groups attached to a carbon atom. The most common type of alcohol is ethyl alcohol, also known as ethanol.

2. **Understanding Denaturation:**
- Denaturation refers to a chemical process that alters the structure of a substance. In the case of proteins, denaturation changes their primary, secondary, and tertiary structures due to external forces or chemical agents. This process can make proteins non-functional.

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