Chemical changes: Video playlist

Part ofCombined ScienceChemical changes

Now playing video 4 of 5

Extracting aluminium

Description

"This video explains how electrolysis can be used to extract aluminium. Electrolysis is a process that uses electricity to break down a compound. Aluminium is never found as a pure metal, but rather locked up in aluminium oxide. Electrolysis is used to separate the aluminium from the oxygen.

Find out more about GCSE Chemistry"