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 ...

including the exothermic reactions between hydrochloric acid and magnesium, nitric acid and sodium hydroxide, and anhydrous copper sulfate and water. Endothermic reactions include solid citric ...

Upon exposure to gas-phase carbon dioxide and water vapor reaction conditions, the researchers identified the composition of copper as a mixture of Cu(I) and Cu(II) oxide, hydroxide, and carbonate ...