Question

name two metallic oxides which cannot be reduced by carbon and carbon monoxide​

Answer 1

Answer:

Pb, Zn, Fe, Sn, Cu are metallic oxides which can't be reduced by carbon/carbon monoxide

Answer 2

Answer:

The oxides of less electropositive metals like Pb, Zn, Fe, Sn, Cu etc. are reduced by strongly heating them with coal or coke, in the blast furnace. So among the given options only Al2O3 cannot be reduced by carbon.