Question

what changes do you observe in iron nail and a colour of copper sulphate solution if iron nail are dipped in cuso4 solution for 15 minutes

Answer 1

When iron is dipped in the copper sulphate solution then the colour of solution changes from blue to fade green or light green this shows that iron is more reactive than copper which displaces the copper from copper sulphate solution.

Answer 2

iron nail when dipped in CuSo4 solution for 15 minutes then the change that will be observed on its surface is :)
■ iron nail will get rust and the colour of CuSo4 will turn to green
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