Ca → CaO → CaCl2 → Ca(NO3)2 → NO2
MgO + Ca = CaO + MgCaO + 2HCl(разб.) = CaCl2 + H2OCaCl2 + 2AgNO3 → 2AgCl↓ + Ca(NO3)22Ca(NO3)2 = 2CaO + 4NO2 + O2
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Ca → CaO → CaCl2 → Ca(NO3)2 → NO2
MgO + Ca = CaO + Mg
CaO + 2HCl(разб.) = CaCl2 + H2O
CaCl2 + 2AgNO3 → 2AgCl↓ + Ca(NO3)2
2Ca(NO3)2 = 2CaO + 4NO2 + O2