c4 - - seperating metals from metal oxides Flashcards
1
Q
where is carbon the the reactivity series?
A
middle
2
Q
what are the common metals?
A
iron and aluminium
3
Q
what do common metals react with to form oxides?
A
oxygen
4
Q
what is a reduction reaction?
A
a reaction that seperates from its oxide
5
Q
what is a oxide?
A
a compound of oxygen
6
Q
oxidation?
A
gain of oxygen
7
Q
reduction?
A
loss of oxygen
8
Q
what do metals higher than carbon have to be extracted by?
A
electrolysis
9
Q
what is a ore?
A
a type of rock that contains metal compounds
10
Q
what can some metals be extracted by?
A
reduction with carbon
11
Q
what is an example of a unreactive metal?
A
gold
