When a few drops of water is added to a blue anhydrous cobalt (II) chloride; the colour changes to? By: Sunday|Published on: Oct 12|Categories: Chemistry JAMB| 0 comments A. white B. pink C. red D. blue Correct Answer: Option B – pink Users Also Read These:When water drops are added to calcium carbide in a…When water was added to a white anhydrous substance…What would be observed when aqueous ammonia is added…A quantity of hot water at 100ºC is added to 400g of…Sulphur is soluble in ethanol but not in water while…SEE ALSO Which of the following typically represents a photochemical reaction?