Question

An element 'x' is dropped in blue colour solution 'y'. Element 'x' get reddish colour on it's surface tje solution 'y' turns to green colour. Guess 'x' and 'y' chemical?

Answer 1

X - Iron
Y - Copper Sulphate
Fe + CuSO4(aq) ----> FeSO4 + Cu
FeSO4 colour is light green
CuSO4 is blue
and after reaction copper gets deposited on remaining iron and form reddish coating..
if u like mark as brainleist..