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Tuesday 31st May 2016
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Mercury is a liquid, so how is it mined?


Metals are usually mined. But where does mercury come from? Is it mined as a liquid?
Alan, Ham


** Definitive **
Name: Rod, Walthamstow
Qualification: Science teacher
Answer: It occurs as a compound mercury oxide found in rocks, known as cinnabar. This was a solid compound within the rock. If you heat the rock, liquid comes out.

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