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 ...

A neutralisation reaction is one in which an acid reacts with a base to form water. A salt is also formed in this reaction. Bases are metal oxides, metal hydroxides and metal carbonates.

Also, the calcium hydroxide produced forms a white solid in the solution which is different from the sodium or potassium. The demonstration shown in this video is very dangerous. Do not attempt to ...