IGCSE Chemistry - Industrial Processes

The Haber Process and the Contact Process

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1. What is the process of making Ammonia from the raw materials Nitrogen and Hydrogen?

  • The Ammonia Process
  • The Haber Process
  • The Contact Process
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Other questions in this quiz

2. What temperature is needed for the second stage of the Contact Process?

  • 300
  • 650
  • 450
  • 50

3. What happens to the unreacted Ammonia from the Haber Process?

  • It is separated from the unreacted Nitrogen and Hydrogen by fractional distillation
  • It passes into a cooling tank (with the unreacted Nitrogen and Hydrogen) where the Ammonia is liquefied and removed into pressurised storage vessels.
  • It is desposed of
  • It passes into a chimney where it is released into the atmosphere

4. What is the third stage of the Contact Process

  • Sulfur trioxide reacts with water to form sulfuric acid
  • Sulfur trioxide reacts with ammonium to produce ammonium sulfite
  • Sulfur trioxide reacts with hydrogen to form sulfuric acid
  • Sulfur trioxide is condensed and stored in pressurised containers

5. What is the chemical formula for sulfuric acid?

  • H2SO4
  • H2SO3
  • HSO4
  • HSO3


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