Question

while doing an experiment a student observed that the blue colour of copper sulphate solution was changed to pale green by immersing a metal rod in it. the metal of rod used bu the student is?? ans..​

Answer 1

Answer:

The Copper will stick to the places where Iron displaced copper

Answer 2

Answer:

The rod used by the student was an iron rod.

Explanation:

When an iron rod is immersed in the solution of copper sulphate then 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.