Question

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Answer 1

Answer:

I think position number (C)

Answer 2

Answer:

a)CuSO4 (aq) + Fe (s) gives you FeSO4 (aq) + Cu (s)

b)When an iron nail immersed in the solution of copper sulphate than iron displaces copper from the solution of copper sulphate because iron is more reactive than copper.

c) 1)we can conclude that iron is more reactive then cu.

2)copper sulphate solution colour changes from blue to pale green