Question

A colourless solution is kept in a test tube. This
solution could be :
(a) ferrous sulphate
(b) copper sulphate
(c) aluminium sulphate
(d) potassium permanganate


no rubbish ​

Answer 1

Answer: option c

Explanation : FeSO4 is green in colour, CuSO4 is blue in colour ,KMnO4 is purple in colour. Only Aluminum sulphate is colourless