Question

(1) Blue coloured solution is given in the figure. Which solution is it? What causes the colour

change in this solution. Explain.​

Answer 1

Answer:

It is the aqueous copper sulphate solution.

When we dip iron in this solution the iron displaces the copper solution and forms iron sulphate solution and the colour of aqueous ferrous sulphate solution is green.

It is due to the displacement reaction

Answer 2

Answer:

it is Aqua copper sulphate solution

when we put iron in copper solution...irod displaced copper from copper sulphate....and form copper and iron sulphate