Topic 4 Separating metals from metal oxides Flashcards
What are oxides an example of
Oxidation
What are oxides often
The ores that metals need to be extracted from
What is a reaction called that separates a metal from its oxide
Reduction reaction
Formation of metal ore
Oxidation
Extraction of metal ore uses
Reduction
What can be used to extract metals by reduction
Carbon
What are metals higher in the reactivity series extracted using
Electrolysis
What is used to extract metals with low reactivity
Carbon
Why can carbon only be used for the metals with low reactivity
Because carbon can only take the oxygen away from metals which are less reactive than carbon itself
Which metals are extracted by electrolysis
Potassium
sodium
Lithium
Calcium
Magnesium
Which metals are extracted using carbon
Zinc
Iron
Copper
What metals are found as itself naturally
Gold
