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 ...

2.c.c. of liquid aldehyde, shaken for one minute with oxygen, absorb more than 1 c.c. of gas, and on adding the liquid to a solution of potassium iodide, iodine is liberated equivalent to about 8 ...

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 ...

The atom with eight protons in its nucleus (atomic number 8) is oxygen. Each energy level holds a certain number of ... The potassium reacts with the water and gets very hot, producing potassium ...

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 ...