what changes do u observe in the iron nails and colour of copper sulphate solution ,of iron nail are dipped in CuSo4 solution for 15 minutes
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When Iron nail (Ferrum) is dipped in Copper sulphate (CuSO4) there takes reaction between them and coppersulphate change its color from blue to light green. This shows Iron is more reactive than Copper, it can replace Copper from CuSO4.13 मई 2019
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