Question 1

The acronym FLaReS is a mnemonic that helps us remember the rules that can be used to test a claim.Which of the following is NOT one of these rules?

Accepted Answer

A) falsifiability 
B) logic 
C) replicability 
D) societal acceptance 
A) falsifiability 
B) logic 
C) replicability 
D) societal acceptance

Question 2

Temperature is a measure of the amount of heat an object contains.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following variables can be most easily controlled?

Accepted Answer

A) blood pressure 
B) diet 
C) humidity 
D) indoor temperature 
A) blood pressure 
B) diet 
C) humidity 
D) indoor temperature

Question 4

The prefix micro means ________.

Accepted Answer

A) 10⁻⁹ 
B) 10⁻⁶ 
C) 10⁻³ 
D) 10³ 
A) 10⁻⁹ 
B) 10⁻⁶ 
C) 10⁻³ 
D) 10³

Question 5

The prefix nano means ________.

Accepted Answer

A) a billion 
B) one-millionth 
C) one-billionth 
D) a million 
A) a billion 
B) one-millionth 
C) one-billionth 
D) a million

Question 6

Which of the following is a physical change?

Accepted Answer

A) Carbon combines with oxygen to form carbon dioxide. 
B) Ice melts at 0°C. 
C) A red substance is decomposed by heat to form mercury and oxygen. 
D) Water is decomposed by electricity into hydrogen and oxygen. 
A) Carbon combines with oxygen to form carbon dioxide. 
B) Ice melts at 0°C. 
C) A red substance is decomposed by heat to form mercury and oxygen. 
D) Water is decomposed by electricity into hydrogen and oxygen.

Question 7

Mass is a measure of the amount of matter in an object.

Accepted Answer

A) True 
 B)False

Question 8

A chemist employed by an airplane manufacturer investigates new adhesives for the purpose of building airplanes without rivets.She is engaged in

Accepted Answer

A) alchemy. 
B) applied research. 
C) basic research. 
D) risk-benefit analysis. 
A) alchemy. 
B) applied research. 
C) basic research. 
D) risk-benefit analysis.

Question 9

________ is considered by many people to play a central role among the sciences.

Accepted Answer

A) Biology 
B) Chemistry 
C) Geology 
D) Physics 
A) Biology 
B) Chemistry 
C) Geology 
D) Physics

Question 10

The technology of smelting metals into ores was performed long before the science of metallurgy evolved.

Accepted Answer

A) True 
 B)False

Question 11

The boiling point of water on the Kelvin temperature scale is

Accepted Answer

A) 0 K. 
B) 100 K. 
C) 273 K. 
D) 373 K. 
A) 0 K. 
B) 100 K. 
C) 273 K. 
D) 373 K.

Question 12

A scientific hypothesis is

Accepted Answer

A) absolute. 
B) complex. 
C) simple. 
D) tentative. 
A) absolute. 
B) complex. 
C) simple. 
D) tentative.

Question 13

Which of the following was NOT a result of alchemy?

Accepted Answer

A) The philosopher's stone was successfully used to change base metals, such as lead, into gold. 
B) Many new chemicals were discovered. 
C) Alchemists developed techniques such as distillation and extraction that are still used today. 
D) Many modern chemists inherited an interest in health and medicines from the alchemists. 
A) The philosopher's stone was successfully used to change base metals, such as lead, into gold. 
B) Many new chemicals were discovered. 
C) Alchemists developed techniques such as distillation and extraction that are still used today. 
D) Many modern chemists inherited an interest in health and medicines from the alchemists.

Question 14

What is the name of the element with the symbol Ag?

Accepted Answer

A) silver 
B) gold 
C) mercury 
D) antimony 
A) silver 
B) gold 
C) mercury 
D) antimony

Question 15

New technologies provide current benefits,but often present future risks.

Accepted Answer

A) True 
 B)False

Question 16

MRI

Accepted Answer

A) is a noninvasive diagnostic technique. 
B) is nuclear magnetic resonance imaging scans of the human body. 
C) has replaced many exploratory surgical operations. 
D) all of the above 
A) is a noninvasive diagnostic technique. 
B) is nuclear magnetic resonance imaging scans of the human body. 
C) has replaced many exploratory surgical operations. 
D) all of the above

Question 17

Chemistry affects every aspect of our daily lives.

Accepted Answer

A) True 
 B)False

Question 18

The prefix centi means ________.

Accepted Answer

A) 10⁻³ 
B) 10⁻² 
C) 10⁻¹ 
D) 10² 
A) 10⁻³ 
B) 10⁻² 
C) 10⁻¹ 
D) 10²

Question 19

What is the chemical symbol for chromium?

Accepted Answer

A) C 
B) Cr 
C) Ch 
D) Cm 
A) C 
B) Cr 
C) Ch 
D) Cm

Question 20

Heat will always flow from a warmer object to a cooler object.

Accepted Answer

A) True 
 B)False

Exam 1: Chemistry

The acronym FLaReS is a mnemonic that helps us remember the rules that can be used to test a claim.Which of the following is NOT one of these rules?

Temperature is a measure of the amount of heat an object contains.

Which of the following variables can be most easily controlled?

The prefix micro means ________.

The prefix nano means ________.

Which of the following is a physical change?

Mass is a measure of the amount of matter in an object.

A chemist employed by an airplane manufacturer investigates new adhesives for the purpose of building airplanes without rivets.She is engaged in

________ is considered by many people to play a central role among the sciences.

The technology of smelting metals into ores was performed long before the science of metallurgy evolved.

The boiling point of water on the Kelvin temperature scale is

A scientific hypothesis is

Which of the following was NOT a result of alchemy?

What is the name of the element with the symbol Ag?

New technologies provide current benefits,but often present future risks.

MRI

Chemistry affects every aspect of our daily lives.

The prefix centi means ________.

What is the chemical symbol for chromium?

Heat will always flow from a warmer object to a cooler object.

Atoms

Atomic Structure

Chemical Bonds

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Chemistry of the Earth

Air

Water

Energy

Biochemistry

Food

Drugs

Fitness and Health

Chemistry Down on the Farm

Household Chemicals

Poisons

Filters