2Ca + O2 = 2CaO
H2SO4+ CaO = CaSO4↓ + H2O
CaSO4+2MgOH=Ca(OH)2+(Mg)2sо4
2Ca + O2 = 2CaO CaO +H2SO4+ = CaSO4↓ + H2OCaSO4+2КOH=Ca(OH)2+К2SO4
2Ca + O2 = 2CaO
H2SO4+ CaO = CaSO4↓ + H2O
CaSO4+2MgOH=Ca(OH)2+(Mg)2sо4
2Ca + O2 = 2CaO
CaO +H2SO4+ = CaSO4↓ + H2O
CaSO4+2КOH=Ca(OH)2+К2SO4