The colour of crystallised copper sulphate on treating it with sulphuric acid becomes:
Orange
White
Colourless
Green
Crystallised copper sulphate turns white from blue due to the loss of the water of crystallisation.
A student took four test tubes containing solutions of different colours marked I (colourless) II(Blue), III (Orange) and IV (Pale green) . Which of the tubes contain copper sulphate solution and ferrous sulphate solution?