Question

Identify the Oxidising agent, Reduced agent, substance oxidised and substance reduced 2NH3 + 3O2 -- 2N2 + 6H2O

Answer 1

In this reaction N3- is 0xidised to N2(0).It is a reducing agent

O2(0) is reduced to O(2-)

It is an OXIDIZING agent

I hope this helps ( ╹▽╹ )