Ethanol as a Fuel Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. Which catalyst is used when ethanol is manufactured by reacting ethene with steam?
- A. Yeast
- B. Phosphoric acid
- C. Vanadium(V) oxide
- D. Iron
2. Which raw material is used in the fermentation method of making ethanol?
- A. Ethene
- B. Crude oil
- C. Sugar
- D. Steam
3. Which type of process is the hydration of ethene?
- A. Batch
- B. Continuous
- C. Fermentation
- D. Distillation only
4. Which of these is a genuine disadvantage of using biofuels compared to fossil fuels?
- A. They release more carbon dioxide overall
- B. They require large areas of land to grow the crops
- C. They cannot be burned in engines
- D. They are non-renewable
5. A student compares the two methods of producing ethanol. Which statement correctly describes a difference between them?
- A. Fermentation is faster than hydration of ethene
- B. Hydration of ethene produces carbon dioxide as a by-product while fermentation does not
- C. Fermentation produces a less pure product than hydration of ethene, requiring further distillation
- D. Hydration of ethene uses a renewable raw material while fermentation does not