Multiple choice

Which of the following metals is used as a catalyst in the preparation of ammonia gas by Haber's process?

  1. Aluminium

  2. Iron

  3. Zinc

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In the Haber process for the industrial production of ammonia, finely divided iron is used as a catalyst to speed up the reaction between nitrogen and hydrogen.

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