Crude Oil 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. What property of hydrocarbons allows fractional distillation to separate crude oil?
- A. Colour
- B. Boiling point
- C. Density
- D. Solubility in water
2. Which fraction has the shortest hydrocarbon chains and lowest boiling point?
- A. Bitumen
- B. Fuel oil
- C. Refinery gases
- D. Diesel
3. A car engine burns petrol with a limited air supply. Which product is most likely to form as a result?
- A. Only carbon dioxide and water
- B. Carbon monoxide
- C. Sulfur dioxide only
- D. Nitrogen gas only
4. Why is cracking carried out on long-chain hydrocarbon fractions?
- A. To make them safer to store
- B. To increase their boiling point
- C. To match supply of fractions to demand, and to produce alkenes
- D. To remove sulfur impurities
5. A power station burns fuel oil containing sulfur impurities near a lake. Explain which environmental effect is most directly linked to this sulfur content.
- A. Global warming from carbon dioxide only
- B. Acid rain from sulfur dioxide formation
- C. Ozone depletion
- D. Oil spills