Blue coloured solution is given in the figure. Which solution is it? What causes the colour
change in this solution. Explain.
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Explanation:
Blue coloured solution is copper sulphate .
Colour is change because of displacement reaction .
REACTION =
Iron+Copper Sulphate --> Iron sulphate + copper
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CuSo4 is blue colour solution.( copper sulphate)
iron nail reacts with CuSo4 and changes the colour to green
this is a displacement reaction
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