CaO + SO2 → CaSO3
CaO + H2O → Ca(OH)2
CaO + 2HCl → CaCl2 +H2O
CaO + 3С → СаС2 + CO
SO2+2NaOH = Na2SO3+H2O
SO2+K2O = K2SO3
CaO + SO2 → CaSO3
CaO + H2O → Ca(OH)2
CaO + 2HCl → CaCl2 +H2O
CaO + 3С → СаС2 + CO
SO2+2NaOH = Na2SO3+H2O
SO2+K2O = K2SO3