When ants bite, they inject:

1. Glacial acetic acid
2. Methanol
3. Formic acid
4. Stearic acid

Explanation

Option (c) is correct

• When ants bite or sting, they release formic acid, which causes irritation and a burning sensation. The name “formic” is derived from the Latin word formica, meaning ant.

Answer: (c) Formic acid