ABOUT IS POTASSIUM CYANIDE POISONOUS

Complementary to its reactivity toward acids, KOH attacks oxides. As a result, SiO2 is attacked by KOH to present soluble potassium silicates. KOH reacts with carbon dioxide to present potassium bicarbonate:KCN is used as being a photographic fixer within the wet plate collodion procedure.The KCN dissolves silver where it hasn't been made insolu