Question

Which change is absorbed when a iron nail is dipped into the copper sulphate solution?​

Answer 1

Hlo mate

Here's your answer

When an iron nail dipped in the copper sulphate solution than iron displaces copper from the copper sulphate because iron is more reactive than copper. Therefore the colour of the copper sulphate solution changes.

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Answer 2

when iron nail is dipped into Cooper sulphate solution displacement reaction take place while iron is more reactive than copper so it displace Cooper from it solution

reaction

Fe+CuSO4 gives FESO4 +Cu