Many metals react with oxygen to form metal oxides. Potassium and sodium are soft metal which are easily cut exposing a shiny surface which changes to dull rapidly. The change from shiny to dull ...

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 ...

Bananas aren't the only source of potassium; there are other foods that pack even more of this essential mineral.

The intensive development of new technologies, especially in the field related to the construction of new portable devices ...

which is a compound of potassium and oxygen) and opt for a fertilizer with a larger third number. Some plants, including citrus and other fruit trees, as well as nut trees, and fruiting vegetables ...

The reaction of hydrogen peroxide with potassium iodide is demonstrated in a tall cylinder. Saturated potassium iodide is added to a mixture of soap, glycerin, water, and hydrogen peroxide. Oxygen and ...