The following reaction is an example of a:

4NH3 (g) + 5O2 (g) ‚Üí 4NO(g) + 6H2O(g)
  1. displacement reaction
  2. combination reaction
  3. redox reaction
  4. neutralisation reaction
(a) (i) and (iv)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (iii) and (iv)



Correct Answer: (c) (i) and (iii) 

Explanation: The reaction provided is displacement and redox reaction. Oxygen displaces hydrogen in ammonia, making it a displacement reaction. Nitrogen gets oxidized and oxygen is reduced, resulting in a redox reaction.

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