Question

●Identify the substances that are oxidised and those that are reduced:
a)Na + O2 → Na2O
b)CuO + H2 → Cu + H2O

●Identify oxidizing agent and reducing agent in the reactions.
a)Na2S2O3 + I2 → Na2S4O6 + NaI
b)FeCl3​+H2S → FeCl2 + S + HCl​

Answer 1

Answer:

Na is oxidised and o2 is reduced

Cu is reduced and H2 is oxidised to water