Complexes and preipitates of nickel (II) are formed by adding ammonium hydroxide, ethylenediamine, and dimethylglyoxime to dilute solutions of Ni2+ in beakers. Cyanide salts and solutions are ...

A few drops of dilute sodium hydroxide solution react to form a white precipitate with aluminium ions, calcium ions and magnesium ions. However, if excess sodium hydroxide solution is added ...

An international collaboration of Scientists at Dongguk University developed a novel nickel-based hydroxide compound that can be used as a powerful catalyst for the electrolysis of water.