K+Pb = K3PO4Ba+KCl = BaCl2 + K2SO4Ag+H3PO4 = Ag3PO4 + H2Sr+H2O = Sr(OH)2 + H2Li+O2 = Li2OZn+H2S = ZnS + H2
K+Pb = K3PO4
Ba+KCl = BaCl2 + K2SO4
Ag+H3PO4 = Ag3PO4 + H2
Sr+H2O = Sr(OH)2 + H2
Li+O2 = Li2O
Zn+H2S = ZnS + H2