Question 1

It takes less energy to produce a pound of aluminum than it does to produce a pound of steel.

Accepted Answer

A) True 
 B)False

Question 2

The organic portion of the earth's lithosphere is greater than the inorganic part.

Accepted Answer

A) True 
 B)False

Question 3

What is a synergistic effect? Use asbestos and cigarette smoking as an example.

Accepted Answer

Cigarette smoking increases the rate of

Question 4

Which of the following statements about the corrosion of iron and aluminum is correct?

Accepted Answer

A) Aluminum reacts with oxygen to form an Al₂O₃ coating, which can flake off easily and allow more aluminum to undergo corrosion. 
B) Iron reacts with oxygen to form an Fe₂O₃ coating, which can flake off easily and allow more iron to undergo corrosion. 
C) Both aluminum and iron react with oxygen to form oxides which are hard and protect the metal from corrosion. 
D) Aluminum corrodes more rapidly than iron does because it is lighter. 
A) Aluminum reacts with oxygen to form an Al₂O₃ coating, which can flake off easily and allow more aluminum to undergo corrosion. 
B) Iron reacts with oxygen to form an Fe₂O₃ coating, which can flake off easily and allow more iron to undergo corrosion. 
C) Both aluminum and iron react with oxygen to form oxides which are hard and protect the metal from corrosion. 
D) Aluminum corrodes more rapidly than iron does because it is lighter.

Question 5

One of the more common rocks on earth is limestone.

Accepted Answer

A) True 
 B)False

Question 6

Pottery is made nonporous by

Accepted Answer

A) heating. 
B) firing. 
C) glazing. 
D) painting. 
A) heating. 
B) firing. 
C) glazing. 
D) painting.

Question 7

Limestone is added to the iron producing mixture in a furnace to

Accepted Answer

A) add carbon to the mixture. 
B) provide an additional reducing agent to extract all of the iron from the ore. 
C) combine with silicates to remove impurities in the form of a slag. 
D) produce a more corrosion resistant iron. 
A) add carbon to the mixture. 
B) provide an additional reducing agent to extract all of the iron from the ore. 
C) combine with silicates to remove impurities in the form of a slag. 
D) produce a more corrosion resistant iron.

Question 8

Ceramics are made by heating inorganic materials to a high temperature so that the particles partially melt and fuse together.

Accepted Answer

A) True 
 B)False

Question 9

The second most abundant element in the earth's crust is

Accepted Answer

A) iron. 
B) aluminum. 
C) magnesium. 
D) silicon. 
A) iron. 
B) aluminum. 
C) magnesium. 
D) silicon.

Question 10

Lithium is typically used for batteries for tools,laptop computers,and cell phones.

Accepted Answer

A) True 
 B)False

Question 11

Glass does not degrade in the environment,but it is easy to recycle.

Accepted Answer

A) True 
 B)False

Question 12

The raw materials for the production of cement are limestone and clay.

Accepted Answer

A) True 
 B)False

Question 13

Pure quartz is colorless.

Accepted Answer

A) True 
 B)False

Question 14

Quartz is pure silicon dioxide.

Accepted Answer

A) True 
 B)False

Question 15

Calcium carbonate is NOT found in

Accepted Answer

A) seashells. 
B) chalcopyrite. 
C) pearls. 
D) stalactites. 
A) seashells. 
B) chalcopyrite. 
C) pearls. 
D) stalactites.

Question 16

The amount of iron on the earth today as compared to the amount of iron 120 years ago (approximately the beginnings of the Industrial Revolution)

Accepted Answer

A) is less. 
B) is essentially the same. 
C) is more. 
D) cannot be estimated or predicted. 
A) is less. 
B) is essentially the same. 
C) is more. 
D) cannot be estimated or predicted.

Question 17

Clay consists mostly of

Accepted Answer

A) aluminum oxides. 
B) aluminum hydroxides. 
C) silicates. 
D) carbonates. 
A) aluminum oxides. 
B) aluminum hydroxides. 
C) silicates. 
D) carbonates.

Question 18

The name of an ore from which aluminum can be produced is

Accepted Answer

A) bauxite. 
B) chromium. 
C) mica. 
D) chrysolite. 
A) bauxite. 
B) chromium. 
C) mica. 
D) chrysolite.

Question 19

Assume that you have two compounds,A and B,each of which is known to increase the risk of developing cancer.A and B act in synergy.Your risk of developing cancer if you were exposed to both A and B would be

Accepted Answer

A) the higher of the risk from A or the risk from B. 
B) the sum of the individual risks from A and B. 
C) lower than the sum of the individual risks. 
D) greater than the sum of the individual risks. 
A) the higher of the risk from A or the risk from B. 
B) the sum of the individual risks from A and B. 
C) lower than the sum of the individual risks. 
D) greater than the sum of the individual risks.

Question 20

The earth's mantle is primarily composed of carbonates.

Accepted Answer

A) True 
 B)False

Exam 12: Chemistry of the Earth

It takes less energy to produce a pound of aluminum than it does to produce a pound of steel.

The organic portion of the earth's lithosphere is greater than the inorganic part.

What is a synergistic effect? Use asbestos and cigarette smoking as an example.

Which of the following statements about the corrosion of iron and aluminum is correct?

One of the more common rocks on earth is limestone.

Pottery is made nonporous by

Limestone is added to the iron producing mixture in a furnace to

Ceramics are made by heating inorganic materials to a high temperature so that the particles partially melt and fuse together.

The second most abundant element in the earth's crust is

Lithium is typically used for batteries for tools,laptop computers,and cell phones.

Glass does not degrade in the environment,but it is easy to recycle.

The raw materials for the production of cement are limestone and clay.

Pure quartz is colorless.

Quartz is pure silicon dioxide.

Calcium carbonate is NOT found in

The amount of iron on the earth today as compared to the amount of iron 120 years ago (approximately the beginnings of the Industrial Revolution)

Clay consists mostly of

The name of an ore from which aluminum can be produced is

Assume that you have two compounds,A and B,each of which is known to increase the risk of developing cancer.A and B act in synergy.Your risk of developing cancer if you were exposed to both A and B would be

The earth's mantle is primarily composed of carbonates.

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