Question

Ο Ν ς
1
Why does the colour of copper sulphate solution change when
an iron nail is dipped in it?​

Answer 1

Answer:

I didn't see it

Explanation:

Copper is metal and ion is also a metal

Answer 2

Answer:

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. Therefore copper sulphate solution colour changes from blue to pale green.

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