|StudentSolution (I)||Solution (II)|
|A Colourless solution Light green||Blue colour is retained|
|B Colourless solution No change||Blue colour solution Green|
|C Colourless solution Light blue||Blue colour solution Green|
|D No change in colour||Blue colour of solution fades|
Iron does not react with solution
because iron is less reactive than aluminium. But Fe being more reactive than
Cu displaces Cu from solution.
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