IGCSE Chemistry - Industrial Processes

The Haber Process and the Contact Process

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1. What do both the Haber Process and the Contact Process contain?

  • Reversible reactions
  • Processes carried out under high pressure
  • Irreversible processes
  • Salt-producing reactions
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2. What is the catalyst for the second stage of the Contact Process?

  • Lead
  • Vanadium Oxide
  • Alumina
  • Iron (II) Oxide

3. What is solution mining?

  • Hot water pumped into salt deposits underground, reacts with the salt to form a solution and is pumped back up
  • Mining from salt deposits underground, the mined salt is sent back to the surface where it is added to water to form a solution

4. What is the chemical formula of Ammonia?

  • CH4
  • CH2O
  • NH3
  • NH4

5. 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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