Industrial processes Quiz
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5 questions, one answer each
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1. Which equation shows the Haber process?
- A. N₂ + H₂ → NH₃
- B. N₂ + 3H₂ ⇌ 2NH₃
- C. 2N₂ + 3H₂ ⇌ 2NH₃
- D. N₂ + 3H₂ ⇌ NH₃
2. Why is a temperature of 450 °C chosen for the Haber process?
- A. It gives the highest possible yield
- B. It is the temperature at which iron melts
- C. It stops the reaction being reversible
- D. It is a compromise between rate and yield
3. What does the vanadium(V) oxide do in the Contact process?
- A. It is a reactant
- B. It is a product
- C. It is a catalyst
- D. It makes the reaction exothermic
4. Which is a sustainability benefit of recycling unreacted gases in the Haber process?
- A. It makes the process more dangerous
- B. It lowers the pressure needed
- C. It saves raw materials and reduces waste
- D. It changes ammonia into nitrogen
5. What is a harmful effect of too much nitrogen fertiliser in rivers?
- A. Algal blooms that use up oxygen
- B. More oxygen for fish
- C. Cleaner water
- D. Fewer plants growing