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1. 
Where do metals come from?
A.
Minerals contained in rocks which are obtained in nature
B.
Rocks in nature where we find minerals mixed to others so that we need to separate them.
C.
Minerals obtained directly in nature
D.
Rocks in nature
2. 
Depending on the location where metals are obtained, we can distinguish...
A.
Surface mining
B.
Underground mining
C.
Open sky mining
D.
Under mining
3. 
What's the usable part of a mineral?
4. 
What's the unusable part of a mineral?
5. 
Depending on their origin metals can be classified as...
6. 
The most common ferrous metals are...
A.
Copper
B.
Iron
C.
Steel
D.
Cast Iron
E.
Tin
F.
Aluminium
7. 
The most common Non-ferrous metals are...
A.
Copper
B.
Iron
C.
Steel
D.
Cast Iron
E.
Tin
F.
Aluminium
8. 
Those metals that don’t contain iron or just a little, are called...
9. 
Those metals which main component is iron, are called...
10. 
The industry involved with the extraction and processing of metal ores is called...
11. 
The industrythat performs the extraction and processing procedures of only ferrous metals is called...