When zinc granules are added to copper sulphate solution, the blue coloured solution-turns colourless.
Give reason

Explanation

Zinc which is more reactive than copper, removes copper from copper sulphate solution to form zinc sulphate. Blue colour of the solution fades due to displacement reaction.
`underset("Sulphate")underset("Copper")(CuSO_(4(sq)))+underset("Zinc")(Zn_((s)))rarrunderset("Zinc sulphate")(ZnSO_(4(aq)))+underset("Copper")(Cu_((s)))`