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 ...

In addition, the company produces and sells chemical products, such as sodium sulfate, magnesium oxide, magnesium hydroxide, and magnesium sulfate, as well as copper sulfate, zinc sulfate ...

nitric acid and sodium hydroxide, and anhydrous copper sulfate and water. Endothermic reactions include solid citric acid and sodium hydrogencarbonate, and dissolving ammonium nitrate in water.