Question 1

Smelting of iron ore involves  ____________

Accepted Answer

A) dissolving the ore in hot water to separate iron and aluminum 
B) crushing and heating the ore to its melting point 
C) oxidizing iron to ferric oxide and then adding silicon and boron 
D) washing the ore with acid to extract iron 
E) heating the ore beyond iron's melting point and combining the material with carbon 
A) dissolving the ore in hot water to separate iron and aluminum 
B) crushing and heating the ore to its melting point 
C) oxidizing iron to ferric oxide and then adding silicon and boron 
D) washing the ore with acid to extract iron 
E) heating the ore beyond iron's melting point and combining the material with carbon

Question 2

In 2010,geologists from the U.S.military discovered nearly $1 trillion worth of minerals in  ____________

Accepted Answer

A) Afghanistan 
B) Vietnam 
C) Nevada 
D) Peru 
E) Iraq 
A) Afghanistan 
B) Vietnam 
C) Nevada 
D) Peru 
E) Iraq

Question 3

Many types of mining,such as for coal,produce a specific type of water pollution called  ____________

Accepted Answer

A) suspended limestone particles 
B) sludge 
C) acid drainage 
D) eutrophication 
E) chlorinated pesticides 
A) suspended limestone particles 
B) sludge 
C) acid drainage 
D) eutrophication 
E) chlorinated pesticides

Question 4

Use the accompanying figure to answer the following question.
-Once the contaminants have been removed from the fracking wastewater,the water can be reused for additional drilling.One problem created by using this technique to purify fracking wastewater is that ____________

Accepted Answer

A) valuable metals such as iron and silver are also removed 
B) the leftover metals and radioactivity are likely to harm the workers from the hydrofracturing company who are performing their jobs 
C) the water is still too contaminated to pump into nearby waterways and thus needs to be stored in lead -lined steel drums 
D) people have mistaken purified fracking water as drinking water and become exposed to deadly levels of radiation and heavy metals 
E) the heavy metals and radioactive radium are hazardous and must be disposed of properly 
A) valuable metals such as iron and silver are also removed 
B) the leftover metals and radioactivity are likely to harm the workers from the hydrofracturing company who are performing their jobs 
C) the water is still too contaminated to pump into nearby waterways and thus needs to be stored in lead -lined steel drums 
D) people have mistaken purified fracking water as drinking water and become exposed to deadly levels of radiation and heavy metals 
E) the heavy metals and radioactive radium are hazardous and must be disposed of properly

Question 5

According to critics,the U.S.General Mining Act of 1872  ____________

Accepted Answer

A) has pollution and remediation clauses that are too strict 
B) practically gives away resources located on public land 
C) opens mining rights to foreign nations which stake claims on U.S.land 
D) has allowed mining in urban centers with dense commercial development 
E) makes mining unprofitable except for the largest corporations 
A) has pollution and remediation clauses that are too strict 
B) practically gives away resources located on public land 
C) opens mining rights to foreign nations which stake claims on U.S.land 
D) has allowed mining in urban centers with dense commercial development 
E) makes mining unprofitable except for the largest corporations

Question 6

Subsurface mining is used extensively in the extraction of  ____________

Accepted Answer

A) limestone,natural gas,and peat 
B) coltan 
C) oil sands 
D) coal,diamonds,and gold 
A) limestone,natural gas,and peat 
B) coltan 
C) oil sands 
D) coal,diamonds,and gold

Question 7

Bauxite ore is a source of  ____________

Accepted Answer

A) coltan 
B) coal 
C) aluminum 
D) tantalum 
E) lead 
A) coltan 
B) coal 
C) aluminum 
D) tantalum 
E) lead

Smelting of iron ore involves ____________

In 2010,geologists from the U.S.military discovered nearly $1 trillion worth of minerals in ____________

Many types of mining,such as for coal,produce a specific type of water pollution called ____________

According to critics,the U.S.General Mining Act of 1872 ____________

Subsurface mining is used extensively in the extraction of ____________

Bauxite ore is a source of ____________

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Exam 23: Minerals and Mining