Fe + CuSO4 -> FeSO4 + CuAg + CuSO4 -> No reactionZn + CuSO4 -> ZnSO4 + CuCu + Hg(NO3) -> No reactionCaCO3 + NaCl -> No reactionCaCl2 + Na2CO3 -> CaCO3 + 2NaClBaSO4 + 2NaOH -> Ba(OH)2 + Na2SO4CuSO4 + Na2S -> CuS + Na2SO4Zn + 2HCl -> ZnCl2 + H2ZnO + 2HCl -> ZnCl2 + H2OZn(OH)2 + 2HCl -> ZnCl2 + 2H2OZnS + 2HCl -> ZnCl2 + H2S
Fe + CuSO4 -> FeSO4 + Cu
Ag + CuSO4 -> No reaction
Zn + CuSO4 -> ZnSO4 + Cu
Cu + Hg(NO3) -> No reaction
CaCO3 + NaCl -> No reaction
CaCl2 + Na2CO3 -> CaCO3 + 2NaCl
BaSO4 + 2NaOH -> Ba(OH)2 + Na2SO4
CuSO4 + Na2S -> CuS + Na2SO4
Zn + 2HCl -> ZnCl2 + H2
ZnO + 2HCl -> ZnCl2 + H2O
Zn(OH)2 + 2HCl -> ZnCl2 + 2H2O
ZnS + 2HCl -> ZnCl2 + H2S