Question

Why does colour of copper sulphate changes when zinc is added to it

Answer 1

$\huge\green{\underbrace{\overbrace{\ulcorner{\mid{\overline{\underline{ANSWER}}}}}}}$

on adding zinc to CuSO4 solution, zinc displaces copper from copper sulphate & forms zinc sulphate solution because zinc is more reactive metal which displaces less reactive metal from its solution. This is indicated by a colour change from blue to colourless.

Answer 2

$\huge\mathbb{\underline{Answer:-}}$

on adding zinc to CuSO4 solution, zinc displaces copper from copper sulphate & forms zinc sulphate solution because zinc is more reactive metal which displaces less reactive metal from its solution. This is indicated by a colour change from blue to colourless.