Question

why does the blue colour of copper sulphate solution change when a piece of iron dropped into it

Answer 1

the blue colour of copper sulphate solution change when a piece of iron dropped into it because iron is more reactive than copper so when we put Iron nails into Copper solution it gets displaced.

Answer 2

Hello friend...
Here is your answer..
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The blue color of copper sulphate solution change when piece of iron dropped on it because iron is more reactive than copper sulphate so it deplace the colour of copper sulphate solution..
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