Single correct option
In the Haber process for making ammonia, nitrogen is made to react with
- A. oxygen
- B. carbon dioxide
- C. hydrogen
- D. chlorine
Show answer and solution
Answer: (C) hydrogen
The Haber process combines N₂ and H₂ at high pressure and about 450 °C over an iron catalyst to form NH₃. Oxygen with nitrogen would give oxides of nitrogen, and the other gases are not used. Ammonia is the basis of fertiliser like urea.
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