Blue colour of copper sulphate solution is destroyed when iron fillings are added to it?give reason

Blue colour of copper sulphate solution is destroyed when iron filling

1.	Blue colour of copper sulphate solution is destroyed when iron fillings are added to it?give reason
Answer» This is so because IRON displaces copper from copper SULPHATE sol and FORMS iron sulphate sol which is green in COLOUR. Iron is more REACTIVE than copper.