Mg+I2--->MgI2 jodek magnezu
Fe+2HF--->FeF2+H2 fluorek żelaza(II)
CuO+ 2HNO3--->Cu(NO3)2+H2O azotan(V)miedzi(II)
Ca(OH)2+2HCIO4--->Ca(ClO4)2+2H2O chloran(VII)wapnia
Ba+I2--->BaI2 jodek baru
2Al+6HBr--->2AlBr3+3H2 bromek glinu
ZnO+2HNO3--->Zn(NO3)2+H2O azotan(V)cynku
Fe(OH)2+2HCIO4--->Fe(ClO4)2+2H2O chloran(VII)żelaza(II)