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 ...

Acidic and alkaline solutions can conduct electricity because they have ions that are free to carry charge. Look at the formulae of these acids. They all contain H + ions.

The visit was to relate to the residents that the preliminary investigations as reported by this newspaper yesterday revealed that the substance was a hydroxide. “So the substance as you have ...