Complementary to its reactivity towards acids, KOH attacks oxides. So, SiO2 is attacked by KOH to give soluble potassium silicates. KOH reacts with carbon dioxide to present potassium bicarbonate: KCN is used as being a photographic fixer within the damp plate collodion course of action.The KCN dissolves silver where it https://rowanwsokg.dbblog.net/3658269/getting-my-potassium-cyanide-used-for-to-work