Multiple choice

Which of the following is a major constituent of beer and wine?

  1. formic acid

  2. methyl alcohol

  3. acetic acid

  4. ethyl alcohol

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ethyl alcohol (ethanol) is the primary alcoholic component produced during fermentation in both beer and wine. Methyl alcohol is toxic and appears only in trace amounts, while formic and acetic acids are not major fermentation products.