Question

2.2. Answer the following:
1. Observe the given diagram. Answer the following.
a) Colour of CuSO4 solution before the experiment
b) Colour of iron nail after the experiment
2. Label the following given diagram:​

Answer 1

Answer:

a) CuSO4 colour before experiment was Blue

b)   colour of nail after experiment is Grey while colour of solution CuSO4 become pale green

Explanation:

CuSO4+Fe=FeSO4+Cu

as iron is more reactive than copper iron  displaces copper