Note AcademyNote Academy
Start

Chemistry · May / June 2016 · Paper 12 · Question 17

5070Reversible reactions and equilibrium

Which process does not involve the use of a catalyst?

  1. Athe extraction of iron from haematite in a blast furnace
  2. Bthe manufacture of sulfur trioxide
  3. Cthe production of ammonia from nitrogen and hydrogen
  4. Dthe redox reactions that remove combustion pollutants from car exhausts

As printed in the paper

Show the answer

Correct answer: A. the extraction of iron from haematite in a blast furnace

Sit this whole paper →More on Reversible reactions and equilibrium

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.

Also set in