Question

When iron nail is put into a beaker containing copper sulphate solution the blue colour of the solution slowly change in to green,?

Answer 1

Answer:

because decomposition reaction takes place and the more reactive metal displaces the less reactive metal hence the blue colour changes to green

please mark as the brainliest✔

Answer 2

Answer:

true

Explanation: when an iron nail is placed into copper sulphate solution the solution turns green because ferrous sulphate is formed(green vitriol).As iron is more reactive the copper they both exchange their radicals and thus ferrous sulphate is formed with copper ion

Fe+CuSo4=FeSo4+Cu