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10 cards from this deck
Oxygen (O)
1000m from the surface
Heating ore to high temps with reducing agents to extract metals
Using liquids (acids) to dissolve minerals
4Au+8NaCN+O2+2H2O→4NaAu(CN)2+4NaOH4Au + 8NaCN + O_2 + 2H_2O \rightarrow 4NaAu(CN)_2 + 4NaOH4Au+8NaCN+O2+2H2O→4NaAu(CN)2+4NaOH
Oxidised
Does not tarnish or corrode easily
Uses water & gravity to separate dense gold from lighter material
Restoring old mine sites to safe, stable conditions
Oil and coal
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