Complementary to its reactivity towards acids, KOH attacks oxides. Hence, SiO2 is attacked by KOH to present soluble potassium silicates. KOH reacts with carbon dioxide to offer potassium bicarbonate: KCN is used like a photographic fixer while in the wet plate collodion approach.The KCN dissolves silver where it has not https://colliniqrng.laowaiblog.com/29660161/potassium-cyanide-cas-number-fundamentals-explained