Ca → Ca(OH)2 → CaCO3 → CaCl2 → Ca(NO3)2
Ca + 2H2O = Ca(OH)2↓ + H2↑ Ca(OH)2 + CO = CaCO3 + H2 CaCO3 + 2HCl(разб.) = CaCl2 + CO2↑ + H2O
CaCl2 + 2AgNO3 → 2AgCl↓ + Ca(NO3)2
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Ca → Ca(OH)2 → CaCO3 → CaCl2 → Ca(NO3)2
Ca + 2H2O = Ca(OH)2↓ + H2↑
Ca(OH)2 + CO = CaCO3 + H2
CaCO3 + 2HCl(разб.) = CaCl2 + CO2↑ + H2O
CaCl2 + 2AgNO3 → 2AgCl↓ + Ca(NO3)2