What is denatured alcohol? Why is ethanol denatured? State any two uses of ethanol.

Explanation

### Step-by-Step Solution:

1. **Definition of Denatured Alcohol:**
Denatured alcohol is ethanol that has been mixed with toxic and bad-tasting additives to make it unsuitable for human consumption. Common additives include methanol, benzene, and pyridine.

2. **Reason for Denaturing Ethanol:**
Ethanol is denatured to prevent its consumption as an alcoholic beverage. The addition of toxic substances makes it unfit for drinking. This is particularly important for industrial ethanol, which is used for various purposes but should not be misused as a beverage.

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