which of the following reactions is an example of autoreduction?
1.FeS+3/2(O2)----->FeO+SO2
2.FeO+SiO2------>FeSiO3.
3.Cu2O+1/2(Cu2S)------>3Cu+1/2(SO2).
4.Cu2S+3/2(O2)-------->Cu2O+SO2.
which of the following reactions is an example of autoreduction?
1.FeS+3/2(O2)----->FeO+SO2
2.FeO+SiO2------>FeSiO3.
3.Cu2O+1/2(Cu2S)------>3Cu+1/2(SO2).
4.Cu2S+3/2(O2)-------->Cu2O+SO2.