What is electrolysis and how is it used to extract metals?
Electrolysis is a process that uses electric current to break down compounds into their elements. It is used to extract metals like sodium and aluminum from their compounds.
Why are gold and platinum found in their free state?
Gold and platinum are low in the reactivity series, meaning they do not easily form compounds with other elements and can exist in nature in their pure form.
What is the difference between a mineral and an ore?
A mineral is a naturally occurring substance, while an ore is a type of mineral that contains a sufficient concentration of metal that can be extracted profitably.
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