HCl+Zn H2SO4+Zn CH3COOH+Zn CaCL2+NaOH CaCL2+NH4OH CUSO4+Na2SO4 FeCL3+CH3COONa AlCl3+Na2CO3
2HCl+Zn = ZnCl2+Н2
H2SO4+Zn=H2+ ZnSO4
CH3COOH+Zn
CaCL2+2NaOH=Ca(OH)2+2NaCL
CaCL2+2NH4OH= Ca(OH)2+2NH4CL
CUSO4+Na2SO4
FeCL3+3CH3COONa=Fe(CH3COO)3+3NaCL
2AlCl3+3Na2CO3=Al2(CO3)3+6NaCl