5.4.1.3 Extraction of Metals and Reduction Flashcards
1
Q
How are unreactive metals found in the Earth?
A
- as the metal itself
2
Q
What is an example of an unreactive metal?
A
- gold
3
Q
How are most metals found as in the Earth?
A
- as compounds
- require chemical reactions to extract metal
4
Q
How can metals less reactive than carbon be extracted from oxides?
A
- reduction with carbon
5
Q
What does reduction involve?
A
- loss of oxygen
