Uses of Copper Sulphate

Uses of Copper Sulphate:

  • For make action of alkalies:

With alkalies, a pale blue precipitate of copper hydroxide is formed.

CuSO4 + 2NaOH → Cu(OH)2 + Na2SO4 (Pale blue precipitate)

  • Action with H2S

With H2S it gives a black precipitate of copper sulphide.

CuSO4 + H2S → CuS + H2SO4 (Black ppt)

Other Uses:

  1. It is used as a germicide and insecticide in agriculture.
  2. A mixture of copper sulphate and lime, commonly known as Bordeaux mixture, is used as fungicide.
  3. It is used in electroplating, calicoprinting and in electrical batteries.