2Na+2H2O=2NaOH+H2
Zn+H2SO4=ZnSO4+H2
Fe+2HCl=FeCL2+H2
Fe+CuCL2=Cu+FeCl2
2AgNO3+Cu=Cu(NO3)2+2Ag
Mg+H2SO4=MgSO4+H2
Ca+2H2O=Ca(OH)2+H2
2Al+6HCl=2AlCl3+3H2
Al+Cr2O3=Al2O3+Cr
Fe3O4+4CO=3Fe+4CO
NaOH+HCl=NaCl+H2O
BaCl2+H2SO4=BaSO4+2HCl
Ca(OH)2+Na2CO3=CaCO3+2NaOH
KOH+HNO3=KNO3+H2O
AlCl3+3NaOH=Al(OH)3+3NaCl
CuCl2+2NaOh=Cu(OH)2+2NaCl
AgNO3+KCl=AgCl+KNO3
2H3PO4+3Ca(OH)2=Ca3(PO4)2+6H2O
KI+AgNO3=AgI+KNO3
Mg(OH)2+H2SO4=MgSO4+2H2O