Extracting metals Flashcards
1
Q
most metals are combined with other chemical elements, often with
A
oxygen and sulfur
2
Q
ores
A
naturally occurring rocks that contain metals or metal compounds
3
Q
reduction of oxide by carbon equation
A
metal oxide + carbon -> metal + carbon dioxide
4
Q
how do you extract rocks that are more reactive than than carbon
A
electrolysis of the molten metal compound
5
Q
due to tungsten making a compound with carbon, how is it extracted
A
tungsten + oxide -> tungsten + water
