Question 1

Which material is characterized by a two-dimensional sheetlike arrangement of SiO₄ tetrahedra?

Accepted Answer

A) asbestos 
B) mica 
C) glass 
D) quartz 
A) asbestos 
B) mica 
C) glass 
D) quartz

Question 2

Which of the following technological advances was NOT made possible by access to high temperatures?

Accepted Answer

A) manufacture of glass 
B) extraction of metals from ores 
C) manufacture of ceramic bricks and pots 
D) All of the above were made possible by access to high temperatures. 
A) manufacture of glass 
B) extraction of metals from ores 
C) manufacture of ceramic bricks and pots 
D) All of the above were made possible by access to high temperatures.

Question 3

All of the following combinations of elements form minerals that are found in the lithosphere EXCEPT

Accepted Answer

A) metals, silicon and oxygen. 
B) metals, carbon and oxygen. 
C) metals and oxygen. 
D) carbon and hydrogen. 
A) metals, silicon and oxygen. 
B) metals, carbon and oxygen. 
C) metals and oxygen. 
D) carbon and hydrogen.

Question 4

Adding chromium compounds will give glass a green color.

Accepted Answer

A) True 
 B)False

Question 5

The principal raw materials for making iron are coal,iron ore and

Accepted Answer

A) chromium. 
B) limestone. 
C) clay. 
D) oil. 
A) chromium. 
B) limestone. 
C) clay. 
D) oil.

Question 6

List two additional important metals,not including Fe,Cu and Al,and their uses.

Accepted Answer

Indium,coatings on LCD displays and phot

Question 7

Which of the following has the highest recycling rate?

Accepted Answer

A) plastic soft drink bottles 
B) steel food cans 
C) glass bottles 
D) aluminum cans 
A) plastic soft drink bottles 
B) steel food cans 
C) glass bottles 
D) aluminum cans

Question 8

Low-grade ores are undesirable because extracting the metals requires more energy per pound than high-grade ores.

Accepted Answer

A) True 
 B)False

Question 9

New processes in solid waste disposal include

Accepted Answer

A) using a mixture of ground up tires and powdered coal as fuel. 
B) adding waste glass and rubber tires to road-paving mixtures for use in road construction. 
C) converting garbage to oil. 
D) All of the above are new processes for waste disposal. 
A) using a mixture of ground up tires and powdered coal as fuel. 
B) adding waste glass and rubber tires to road-paving mixtures for use in road construction. 
C) converting garbage to oil. 
D) All of the above are new processes for waste disposal.

Question 10

Ceramics are formed by heating a mixture of sand,sodium carbonate and limestone.

Accepted Answer

A) True 
 B)False

Question 11

The best way to handle solid waste is to

Accepted Answer

A) incinerate it. 
B) dump it at sea. 
C) bury it. 
D) reduce it, reuse it and recycle it. 
A) incinerate it. 
B) dump it at sea. 
C) bury it. 
D) reduce it, reuse it and recycle it.

Question 12

The "coking" process in steel making is a significant source of pollution.Why? What are some alternatives to "coke?"

Accepted Answer

Carbon monoxide and carbon dioxide are p

Question 13

Recycling aluminum cans requires ________ percent of the energy of making a new beverage can.

Accepted Answer

A) 10 
B) 30 
C) 50 
D) 5 
A) 10 
B) 30 
C) 50 
D) 5

Question 14

The inorganic portion of the lithosphere is made up of silicon and nonmetals like oxygen,sulfur and carbon chemically combined with

Accepted Answer

A) metals. 
B) nonmetals. 
C) carbon. 
D) water. 
A) metals. 
B) nonmetals. 
C) carbon. 
D) water.

Question 15

Steel,in all of its variations,is a(n)

Accepted Answer

A) alloy. 
B) compound. 
C) element. 
D) pure substance. 
A) alloy. 
B) compound. 
C) element. 
D) pure substance.

Question 16

Which of the following statements about technologically important elements is true?

Accepted Answer

A) China has a virtual monopoly on the rare earth metals. 
B) The U.S.still has large deposits of high-grade ores. 
C) It requires more energy to extract these metals from high-grade ores than from low-grade ores. 
D) The U.S.and other industrial nations are nearly 100% self-sufficient for these metals. 
A) China has a virtual monopoly on the rare earth metals. 
B) The U.S.still has large deposits of high-grade ores. 
C) It requires more energy to extract these metals from high-grade ores than from low-grade ores. 
D) The U.S.and other industrial nations are nearly 100% self-sufficient for these metals.

Question 17

Which of the following are part of the earth's crust?

Accepted Answer

A) core, mantle and atmosphere 
B) lithosphere, hydrosphere and atmosphere 
C) mantle, stratosphere and ionosphere 
D) hydrosphere, geosphere and core 
A) core, mantle and atmosphere 
B) lithosphere, hydrosphere and atmosphere 
C) mantle, stratosphere and ionosphere 
D) hydrosphere, geosphere and core

Question 18

Bronze is an alloy of

Accepted Answer

A) aluminum and tin. 
B) copper and tin. 
C) lead and copper. 
D) platinum and palladium. 
A) aluminum and tin. 
B) copper and tin. 
C) lead and copper. 
D) platinum and palladium.

Question 19

In terms of composition,nine elements compose approximately what percentage of the earth's crust?

Accepted Answer

A) ≈ 50% 
B) ≈ 75% 
C) ≈ 90% 
D) > 96% 
A) ≈ 50% 
B) ≈ 75% 
C) ≈ 90% 
D) > 96%

Question 20

If we should "run out" of aluminum someday,it would be because we had

Accepted Answer

A) converted too much aluminum to another metal. 
B) destroyed too much aluminum. 
C) used too much aluminum. 
D) scattered aluminum too widely in the environment for efficient recovery. 
A) converted too much aluminum to another metal. 
B) destroyed too much aluminum. 
C) used too much aluminum. 
D) scattered aluminum too widely in the environment for efficient recovery.

Exam 12: Chemistry of the Earth

Which material is characterized by a two-dimensional sheetlike arrangement of SiO₄ tetrahedra?

Which of the following technological advances was NOT made possible by access to high temperatures?

All of the following combinations of elements form minerals that are found in the lithosphere EXCEPT

Adding chromium compounds will give glass a green color.

The principal raw materials for making iron are coal,iron ore and

List two additional important metals,not including Fe,Cu and Al,and their uses.

Which of the following has the highest recycling rate?

Low-grade ores are undesirable because extracting the metals requires more energy per pound than high-grade ores.

New processes in solid waste disposal include

Ceramics are formed by heating a mixture of sand,sodium carbonate and limestone.

The best way to handle solid waste is to

The "coking" process in steel making is a significant source of pollution.Why? What are some alternatives to "coke?"

Recycling aluminum cans requires ________ percent of the energy of making a new beverage can.

The inorganic portion of the lithosphere is made up of silicon and nonmetals like oxygen,sulfur and carbon chemically combined with

Steel,in all of its variations,is a(n)

Which of the following statements about technologically important elements is true?

Which of the following are part of the earth's crust?

Bronze is an alloy of

In terms of composition,nine elements compose approximately what percentage of the earth's crust?

If we should "run out" of aluminum someday,it would be because we had

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