Question

Blue colour of copper sulphate is changed when iron feeling are added to it . Why

Answer 1

Answer:

Iron react with cuso4 toform a various colour in the presence of o2

Answer 2

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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