Put drops of Sodium, Potassium, or Ammonium Hydroxide in it. The Cupric hydroxide will precipitate out in blue colour. Dont put excess hydroxide or there will be a formation of another intense blue complex compound
deep green
copper sulfate, cupric sulfate, cupric sulphate.l
Cupric or copper II sulfate is CuSO4
CuSO4 + H20
In water
If you were to add water to anhydrous cupric sulfate it would be pentahydrate a bright blue.
powders have larger surface areas so will dissolve faster
Cupric sulfate and chloride are blue; also cupric carbonate is blue but not soluble in water.
It is not.
Greenish
Yes it is
Yes, it does