In this case, aluminum oxide is separated into aluminum and oxygen (Fig. 2). Aluminum (Al) is produced at the negative electrode, called the cathode, according to the following reduction reaction ...

Aluminium can be obtained from aluminium ore (Al 2 O 3) by a process called electrolysis. Oxygen is also produced by this reaction. The balanced equation for this process is: \(\mathbf{2} ...

Raw aluminium readily forms a tough oxide layer when exposed to air ... Naturally, the hydrogen gas generated is then free to combust with oxygen in the surrounding atmosphere.

If the idea of aluminum and oxygen together doesn’t exactly scream “withstand 1,100ºF,” just remember that the crystal form of aluminum oxide becomes rubies and sapphires, depending on ...