1.Zn+CuSO4→ZnSO4+Cu 2.when silver Ag metal is added to copper sulphate CuSO4 solution, no reaction takes place as silver is less reactive than that of copper and cannot displace copper from its solution. Hence, when a piece of silver metal is added to copper sulphate solution there will be no reaction.
3.
KI+ C4H6O4Pb = PbI2 + C2H3KO2
When Potassium iodide and lead acetate are combined and undergo a double replacement reaction to form red precipitate.
1.Zn+CuSO4→ZnSO4+Cu 2.when silver Ag metal is added to copper sulphate CuSO4 solution, no reaction takes place as silver is less reactive than that of copper and cannot displace copper from its solution. Hence, when a piece of silver metal is added to copper sulphate solution there will be no reaction.
3.
KI+ C4H6O4Pb = PbI2 + C2H3KO2
When Potassium iodide and lead acetate are combined and undergo a double replacement reaction to form red precipitate.
