What is the color of zinc sulphate, ferrous sulphate, copper sulphate and aluminium sulphate ? When we add aluminium metal in ferrous sulphate, what is the color ? When we add aluminium metal in copper sulphate what is the color ?
Zinc sulphate: Colorless
Ferrous sulphate: Light green
Copper sulphate: Blue
Aluminium sulphate: colorless