H2SO4+HCl=> не проходитHCl+AgNO3=>AgCl+HNO3H+Cl+Ag+No3=>AgCl⬇️+H+NO3Cl+Ag=>AgCl⬇️ (выпадает в осадок)H3PO4+SO3=> не проходит2HCl+Zn=>ZnCl2+H2⬆️2H+2Cl+Zn•=>Zn+2Cl+H2•⬆️2H+Zn•=>Zn+2H•2HCl+K2SO4=> 2KCl+H2SO4(H2O+SO2)2H+2Cl+2K+SO4=>2K+2Cl+H2O+SO22H+So4=>H2O+SO22HNO3+MgO=>Mg(NO3)2+H2O2H+2NO3+MgO=>Mg+2NO3+H2O2H+MgO=>Mg+H2O2H3Po4+2KOH=> 2K3PO4+2H2O2H+2PO4+2K+2OH=>2K+2PO4+2H2O2H+2OH=>2H2OH+OH=>H2OHCl+Au=> не проходит