Write four uses of ethyl alcohol.

Explanation

### Step-by-Step Solution

1. **Understanding Ethyl Alcohol**: Ethyl alcohol, also known as ethanol, has the chemical formula C₂H₅OH. It consists of a two-carbon chain (C₂H₅) with a hydroxyl group (OH) attached to it.

2. **Use in Perfumes**: Ethyl alcohol is widely used in the manufacture of perfumes. Its ability to dissolve various aromatic compounds makes it an ideal solvent for creating fragrances.

3. **Use as a Preservative**: Ethyl alcohol is also used as a preservative in biological specimens. It helps in preventing the growth of bacteria and fungi, thus preserving the integrity of the specimens.

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