Find the oxidizing and reducing agents in the reaction
(i) `3CuO + 2NH_3 rarr 3Cu + N_2 + 3H_2O`.

Find the oxidizing and reducing agents in the reaction (i) 2H_gCl_2+ SnCl_2 rarr Hg_2Cl_2 + SnCl_4

Identify the oxidising and reducing agents in the following reaction : Cu + 4HNO_3 rarr Cu(NO_3)_2 + 2NO_2 + 2H_2O

Identify the oxidising and reducing agents in the following reaction : C + O_2 rarr CO_2

Identify the oxidising and reducing agents in the following reaction : 2FeCl_3 + H_2S rarr 2FeCl_2 + 2HCL + S

Identify the substances that are oxidised and the substances that are reduced in the following reactions. CuO (s) + H_2 (g) rarr Cu (s) + H_2O (l)

Identify the oxidising and reducing agent on the basis of oxidation number of the reaction given below 2H_2S + SO_2 rarr 3S + 2H_2O