KalmiPrep • Switching...
Chemistry UTME / JAMB 1989 Nitrogen Nitrogen Compounds
In the above set up substances X and Y are respectively
Attached Figure / Diagram
Question diagram
A
lime water copper (ll) tetraoxosulphate (lV)
B
potassium trioxocarbonate and alkaline pyrogallol
C
potassium hydroxide and alkaline pyrogallol
D
potassium trioxocarbonate (lV) and concentrated tetraoxosulphate (IV) acid