Question

what do you observe when a few pieces of iron dropped into copper sulphate solution​

Answer 1

➡If a few pieces of iron are dropped in a blue solution of copper sulphate then the reaction takes place.

➡The blue colour of coppersulphate turns into green colour. this is due to the reactivity.as Fe is more reactive than Cu.

Answer 2

Answer:

the piece of iron dropped into copper sulphate solution then produced co2