Question

Ethanol is used as :

Options

• antiseptic

• preservative

• fuel

• All of these

Answer 1

All of these

Explanation:

Ethanol (C₂H₅OH) is widely used as an antiseptic because it kills germs, making it a key ingredient in medical wipes and hand sanitizers. It also acts as a preservative in science laboratories to prevent the decay of biological specimens, and it serves as a clean biofuel when blended with petrol for vehicles.