The potassium reacts with the water and gets very hot, producing potassium hydroxide and hydrogen gas which ignites. The reaction of the potassium with water is similar to the reaction of sodium in ...

Potassium reacts quickly with water producing a lilac-coloured flame ... There is sometimes a small explosion at the end of the reaction.

The first 'reaction' that we tried for our hand warmer involved dissolving potassium carbonate (K 2 CO 3) in water. Potassium carbonate is one of the chemicals left behind in the ashes of burnt wood.

Hydrogen peroxide decomposes on its own into water and oxygen gas. This process is sped up by a catalyst. In this reaction, the catalyst is potassium permanganate, and the bubbles are full of oxygen ...

Potassium reacts quickly with water producing a lilac-coloured flame ... There is sometimes a small explosion at the end of the reaction.