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Mixtures: Tailings Dam Disaster

Introducing Elements, Compounds and Mixtures

The products of mining—metals, minerals and fuels—are essential to our everyday lives. But the waste by-products from mining processes, called tailings, can be highly toxic. Using the 2014 Mount Polley Mine tailings dam and its catastrophic release of toxic chemical mixtures into the environment as an example, this video explores the make-up of mixtures, identifying the differences between solutions, colloids and suspensions. Complemented by clear graphics, it is essential viewing for students of chemistry.

Rating: E
Production Year: 2021
Duration: 7 min
Series: Introducing Elements, Compounds and Mixtures
Printable Resources: Yes

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