A. Formic acid
B. Acetic acid
C. Propionic acid
D. Butyric acid
Answer: Acetic acid
A. Formic acid
B. Acetic acid
C. Propionic acid
D. Butyric acid
Answer: Acetic acid
Additional Information: Ethanoic acid is commonly known as acetic acid, which is the main component of vinegar.