Question 1

At the present rate of growth,world population will be approximately ________ billion by 2045.

Accepted Answer

A) 13 
B) 9 
C) 16 
D) 5 
A) 13 
B) 9 
C) 16 
D) 5

Question 2

The lithosphere is the ________ part of the earth's crust.

Accepted Answer

A) gaseous 
B) liquid 
C) solid 
D) water 
A) gaseous 
B) liquid 
C) solid 
D) water

Question 3

The ore from which aluminum metal is extracted is bauxite.

Accepted Answer

A) True 
 B)False

Question 4

The feature that makes iron a useful material is its

Accepted Answer

A) resistance to corrosion. 
B) low weight to strength ratio. 
C) high weight to strength ratio. 
D) ability to form a variety of alloys with a variety of metals. 
A) resistance to corrosion. 
B) low weight to strength ratio. 
C) high weight to strength ratio. 
D) ability to form a variety of alloys with a variety of metals.

Question 5

Iron is so abundant and useful that it accounts for roughly ________ of the world's metal production.

Accepted Answer

A) 10 % 
B) 35 % 
C) 65% 
D) 95 % 
A) 10 % 
B) 35 % 
C) 65% 
D) 95 %

Question 6

Which one of the following materials is longest lasting?

Accepted Answer

A) ceramics 
B) concrete 
C) glass 
D) plastic 
A) ceramics 
B) concrete 
C) glass 
D) plastic

At the present rate of growth,world population will be approximately ________ billion by 2045.

The lithosphere is the ________ part of the earth's crust.

The ore from which aluminum metal is extracted is bauxite.

The feature that makes iron a useful material is its

Iron is so abundant and useful that it accounts for roughly ________ of the world's metal production.

Which one of the following materials is longest lasting?

Chemistry

Atoms

Atomic Structure

Chemical Bonds

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Air

Water

Energy

Biochemistry

Food

Drugs

Fitness and Health

Chemistry Down on the Farm

Household Chemicals

Poisons

Filters

Exam 12: Chemistry of the Earth

At the present rate of growth,world population will be approximately ________ billion by 2045.

The lithosphere is the ________ part of the earth's crust.

The ore from which aluminum metal is extracted is bauxite.

The feature that makes iron a useful material is its

Iron is so abundant and useful that it accounts for roughly ________ of the world's metal production.

Which one of the following materials is longest lasting?

Chemistry

Atoms

Atomic Structure

Chemical Bonds

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Air

Water

Energy

Biochemistry

Food

Drugs

Fitness and Health

Chemistry Down on the Farm

Household Chemicals

Poisons

Filters