Answer:
(c) Fe2O3 + 3CO + 2Fe + 3CO2
This is a redox reaction.
(d) 2 H2S+O2 → 2 s + 2 H2O
This is a replacement reaction.
Answer:
(c) Fe2O3 + 3CO + 2Fe + 3CO2
This is a redox reaction.
(d) 2 H2S+O2 → 2 s + 2 H2O
This is a replacement reaction.