Extracting metals Flashcards
1
Q
What is an ore?
A
An impure form of metal found in rocks
2
Q
Name one fact about ores
A
It is usually combined with other elements
3
Q
What process is needed for each metal in order for it to be extracted
A
Gold and silver and carbon are found naturally
Potassium, sodium, calcium, magnesium and aluminium are needed to be extracted by electrolysis as they have a higher creativity than carbon , therefore no reaction taking place.
Zinc, Iron and Copper are extracted by heat, they are less reactive than carbon, so create a displacement reaction with carbon.
4
Q
Which one has negative ions, metals or non-metals? give an example.
A
Metals, Ca2+ (above)
5
Q
Which one has positive ions, metals or non-metals? give an example.
A
Non metals, CL- (above)
