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 ...

Sodium hydroxide is added to a cylinder of aluminum nitrate, precipitating out aluminum hydroxide. When additional base is added, the precipitate dissolves. The reactions can then be reversed with the ...

Bases are metal oxides, metal hydroxides and metal carbonates ... lime water (turns from colourless to chalky white). When insoluble metal carbonates and insoluble metal oxides are used to ...