IGCSE Chemistry - Industrial Processes

The Haber Process and the Contact Process

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1. What is the majority of sulfuric acid used for?

  • Detergents by reacting with the -OH molecules forming a long chain molecule
  • Making paints - sulfuric acid reacts with ilmenite in one of the stages of obtaining white pigment
  • Fertiliser by reacting with ammonia/ammonium hydroxide to make ammonium sulfate
  • Used as an acid in classrooms and laboratories for experiments
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Other questions in this quiz

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

  • 650
  • 50
  • 450
  • 300

3. What is the Catalyst in the process of making Ammonia?

  • Alumina
  • Vanadium Oxide
  • Iron
  • Manganese Oxide

4. How are Hydrogen, Chlorine and Sodium Hydroxide manufactured?

  • Electrolysis of brine
  • Reacting salt solution with hydrochloric acid
  • Evaporating brine

5. 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


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