Extracting Metals Using Carbons Flashcards
1
Q
What is metal ore?
A
Is a rock which contains enough metal to make it economically worthwhile.
2
Q
What is the ore for aluminium ?
A
Bauxite
3
Q
Want are uncombined elements?
A
Elements that are found pure in the rock , but still need to be refined
4
Q
How are some metals extracted by reduction with carbon?
A
Metals are obtained by displacing it with carbon eg
Iron oxide + carbon -> iron + carbon dioxide
5
Q
What elements are extracted using electrolysis?
A
Potassium sodium calcium Magnesium aluminium
It is very expensive
Above carbon
6
Q
Which elements are extracted using carbon method?
A
Zinc iron tin copper silver
All below carbon
7
Q
What elements are uncombined?
A
Silver gold
Found pure
