2 SO3 + 2 CaO → 2 CaSO3 + O2
This is an acid-base reaction (neutralization): SO3 is an acid, CaO is a base.
This is an oxidation-reduction (redox) reaction:
2 SVI + 4 e- → 2 SIV (reduction)
2 O-II - 4 e- → 2 O0 (oxidation)
This is an acid-base reaction (neutralization): SO3 is an acid, CaO is a base.
This is an oxidation-reduction (redox) reaction:
2 SVI + 4 e- → 2 SIV (reduction)
2 O-II - 4 e- → 2 O0 (oxidation)