Question

the blue colour of he copper sulphate solution change to green colour when an iron nail is dropped in to it due to the formation of ​

Answer 1

Answer:

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Answer 2

Answer:

your answer is

Explanation:

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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