Which row accurately links the experiment and the observations to the identity of the underlined substance?
- ABlue crystals are heated. The crystals turn white and steam is given off. - hydrated cobalt(II) chloride
- BPink crystals are heated. The crystals turn blue and steam is given off. - anhydrous cobalt(II) chloride
- CWater is added to a blue solid. The blue solid turns pink. - hydrated copper(II) sulfate
- DWater is added to a white solid. The white solid turns blue. - anhydrous copper(II) sulfate