2Ca+O2-->2CaO
CaO+H2O-->Ca(OH)2
Ca(OH)2+2HCL-->CaCL2+2H2O
CaCL2+H2CO3-->CaCO3+2HCL
CaCO3--t-->CaO+CO2
P2S3 ⁺ 28HNO3 → 2H3PO4 ⁺3H2SO4 ⁺ 28NO2 ⁺ 8H2O
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<span>CH</span>3<span>-СН(NH</span>2<span>)-COOH + NaOH → CH</span>3<span>-СН(NH</span>2<span>)-COONa + H</span>2<span>O</span> - кислотные свойства