- KNO2,CuO,Ag2OKNO _{2}, CuO , Ag _{2} O
- K2O,CuO,AgK _{2} O , CuO , Ag
- KNO2,CuO,AgKNO _{2}, CuO , Ag
- KNO2,Cu,AgKNO _{2}, Cu , Ag