Making ethanol by fermentation
1 mark · NormalWhich statement about fermentation in ethanol production is correct?
Show answer
Correct option: Ethanol is produced by yeast enzymes acting on sugars.
Common mistakes: Choosing presence of air; Selecting wrong temperature
Show mark scheme and worked solution
Marking points
B1 · 1 mark · Selects correct statement.
Worked solution
The correct answer is: Ethanol is produced by yeast enzymes acting on sugars.