Compare the extraction of copper shown in the clip with the extraction and refining of metals through ... These clips will be relevant for teaching Chemistry at KS3 and GCSE/KS4 in ...

Teacher Notes. After watching this short film, students could research other applications of electrolysis, including the extraction of aluminium from aluminium oxide and the purification of copper.

Simple and cost-effective extraction of rare metals from industrial waste. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2020 / 12 / 201218094504.htm.

This makes the extraction and purification of these metals expensive, resource- and time-consuming and extremely harmful to the environment. "Rare earth metals are hardly ever recycled in Europe," ...