How to Make Aluminum Oxide (Al2O3)

**THIS VIDEO HAS A WEIRD AUDIO ISSUE** LINK TO FIXED VIDEO BELOW:
https://www.youtube.com/watch?v=tC5D5wRSr60

In this video, we will make aluminum oxide, a useful catalyst that I will use in upcoming videos.
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Видео How to Make Aluminum Oxide (Al2O3) канала TheChemistryShack