Alcohols Quiz
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5 questions, one answer each
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1. What is the name of the alcohol CH₃OH?
- A. Ethanol
- B. Methanol
- C. Methane
- D. Propanol
2. Which equation shows the balanced complete combustion of ethanol?
- A. C₂H₅OH + O₂ → 2CO₂ + 3H₂O
- B. C₂H₅OH + 2O₂ → 2CO₂ + 3H₂O
- C. C₂H₅OH + 3O₂ → CO₂ + 3H₂O
- D. C₂H₅OH + 3O₂ → 2CO₂ + 3H₂O
3. Which two conditions are needed to make ethanol by fermentation?
- A. Yeast and no oxygen
- B. Yeast and plenty of oxygen
- C. A nickel catalyst and high pressure
- D. Sunlight and chlorophyll
4. Why is ethanol useful as a solvent in perfumes?
- A. It is a solid at room temperature
- B. It is the same as water
- C. It dissolves oils that do not dissolve in water, and it evaporates easily
- D. It does not dissolve anything
5. Which gas is made with ethanol during fermentation of glucose?
- A. Oxygen
- B. Carbon dioxide
- C. Hydrogen
- D. Nitrogen