Metal Ores Flashcards
1
Q
Where are most metals found
A
In ores
2
Q
What metals don’t tend to form compounds
A
Unreactive metals, so you can just dig them up
3
Q
When is the compound called a metal ore
A
If it contains enough of the metal to make it worth while extracting
4
Q
The more reactive a metal is, the…
A
Harder it is to extract it from a compound
5
Q
What is the reaction called when a metal is extracted from its oxide
A
Reduction reaction
6
Q
What elements can be extracted by electrolysis
A
Potassium Sodium Calcium Magnesium Aluminium
7
Q
What elements can be extracted by heating with carbon monoxide
A
Zinc
Iron
Tin
8
Q
What element is used to take away the oxygen from metals that are less reactive than it
A
Carbon
