sonalibaby950
Answered

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Why does the colour of copper sulphate solution change when
an iron nall Is dipped in it?​

Sagot :

14nadiruiz

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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