When a piece of iron is dropped into the CuSO4 solution, iron displaces copper and forms ferrous sulphate. This reaction is called :
A. Substitution
B. Addition
C. Dissociation
D. Decomposition.
Answer:A
When a piece of iron is dropped into the CuSO4 solution, iron displaces copper and forms ferrous sulphate. This reaction is called :
A. Substitution B. Addition C. Dissociation D. Decomposition.