WAEC - Chemistry (1990 - No. 15)

The compound of copper which is used in electroplating dyeing, printing, wood preservation and as a fungicide is

copper (ll) hydroxide

copper (ll) trioxonitrate (V) pentahydrate

copper (ll) tetraoxosulphate (VI) pentahydrate

copper (ll) oxide

copper (ll) trioxocarbonate (lV)