Question

. What do you observe when an iron nail is dipped in copper sulphate solution? Why is there a change in colour of the
original solution.
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Answer 1

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.

Answer 2

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What do you observe when an iron nail is dipped in copper sulphate solution? Why is there a change in colour of the original solution?

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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.