Сa>CaO>Ca(OH)2>CaCl2>AgCl P>P2O5>H3PO4>Na3PO4>Ag3PO4
2Ca+O2-2CaO CaO+2KOH-Ca(OH)2+K2O Ca(OH)2+2KCl-CaCl2+2KOH 2CaCl+2AgOH-Ca(OH)2+2AgCl 4P+5O2-2P2O5 P2O5+AgOH-H3PO4+AgO H3PO4+3NaCl-Na3PO4+3HCl Na3PO4+3AgOH-3NaOH+Ag3PO4