Explanation:

- Nail polish remover is commonly used to remove nail polish from nails.

- Option 1: Benzene is not used in nail polish remover. It's a harmful, carcinogenic chemical.

- Option 2: Acetone is a volatile solvent widely used in nail polish removers. It effectively dissolves nail polish.

- This option is correct.

- Option 3: Acetic acid is found in vinegar and is not used in nail polish remover.

- Option 4: Petroleum ether is a mixture of hydrocarbons and not typically used in nail polish remover.

“”