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: the ...

There’s no debating that metallic sodium is exciting stuff, but getting your hands on some can be problematic, what with the need to ship it in a mineral oil bath to keep it from exploding. S… ...

Teacher Notes. Students could investigate a variety of exothermic and endothermic reactions, including the exothermic reactions between hydrochloric acid and magnesium, nitric acid and sodium ...