Extraction Of Metals Flashcards
1
Q
What are the anode and the cathode made of?
A
Graphite
2
Q
How are most metals found?
A
As ores - they’ve reacted with other elements (oxygen)
3
Q
What type of reaction is happening with the iron oxide becomes iron?
A
Redox
4
Q
What is an ore?
A
Ores are naturally occurring rocks that contain metal or metal compound
5
Q
Why can’t aluminium be extracted from its ore using carbon?
A
Aluminium is more reactive than carbon
6
Q
Why is limestone used in the blast furnace?
A
To neutralise acidic impurities
7
Q
Name the main ore of aluminium.
A
Bauxite
8
Q
Which raw materials are used in the manufacture of iron?
A
Haematite and Limestone
