CuCl2 + Na2S = CuS + 2NaCl
Cu(NO3)2 + K2S = CuS + 2KNO3
HCl + NaOH = NaCl + H2O
HCl + KOH = KCl + H2O
MgCl2 +2 HF = MgF2 + 2HCl
MgSO4 + 2HF = MgF2 + H2SO4
FeCl3 + 3NaOH = Fe(OH)3 + 3NaCl
Fe2(SO4)3 + 6NaOH = 2Fe(OH)3 +3 Na2SO4
CuCl2 + Na2S = CuS + 2NaCl
Cu(NO3)2 + K2S = CuS + 2KNO3
HCl + NaOH = NaCl + H2O
HCl + KOH = KCl + H2O
MgCl2 +2 HF = MgF2 + 2HCl
MgSO4 + 2HF = MgF2 + H2SO4
FeCl3 + 3NaOH = Fe(OH)3 + 3NaCl
Fe2(SO4)3 + 6NaOH = 2Fe(OH)3 +3 Na2SO4