Question 1

How many millgrams (mg) are there in 1 microgram (μg)?

Accepted Answer

A)  1 × 10- 6 
B)  1 × 10- 3 
C)  1 × 103 
D)  1 × 106 
A)  1 × 10- 6 
B)  1 × 10- 3 
C)  1 × 103 
D)  1 × 106

Question 2

In the SI system of units the basic unit of volume is the cubic meter (m3). A volume of 1 m3 is equal to which of the following?

Accepted Answer

A)  1 L 
B)  10 L 
C)  100 L 
D)  1000 L 
A)  1 L 
B)  10 L 
C)  100 L 
D)  1000 L

Question 3

Which of the following is the smallest unit of heat?

Accepted Answer

A)  calorie 
B)  Calorie 
C)  joule 
D)  kilojoule 
A)  calorie 
B)  Calorie 
C)  joule 
D)  kilojoule

Question 4

Which of the following is true of a hypothesis?

Accepted Answer

A)  It is a tentative idea or explanation which can be disproved by an experiment. 
B)  It is a tentative idea or explanation which can be proven by an experiment. 
C)  It is a tentative idea which can either be proven or disproved by an experiment. 
D)  It is a belief which is asserted without proof. 
A)  It is a tentative idea or explanation which can be disproved by an experiment. 
B)  It is a tentative idea or explanation which can be proven by an experiment. 
C)  It is a tentative idea which can either be proven or disproved by an experiment. 
D)  It is a belief which is asserted without proof.

Question 5

What is the metric length of the 100. yard dash? [1 inch = 2.54 cm (exactly)]

Accepted Answer

A)  9.14 cm 
B)  25.4 cm 
C)  91.4 m 
D)  254 m 
A)  9.14 cm 
B)  25.4 cm 
C)  91.4 m 
D)  254 m

Question 6

At what temperature do the temperatures on the Celsius and Kelvin scales have the same numerical value?

Accepted Answer

A)  -40 
B)  0 
C)  32 
D)  at no value 
A)  -40 
B)  0 
C)  32 
D)  at no value

Question 7

Which of the following is synonymous with "fact"?

Accepted Answer

A)  a hypothesis 
B)  an observation which is reproducible 
C)  an observation which is not reproducible 
D)  none of these 
A)  a hypothesis 
B)  an observation which is reproducible 
C)  an observation which is not reproducible 
D)  none of these

Question 8

In which of the following are the lengths given in the correct order?

Accepted Answer

A)  cm < mm < m < μm 
B)  cm < m < μm < mm 
C)  μm < mm < cm < m 
D)  μm < m < cm < mm 
A)  cm < mm < m < μm 
B)  cm < m < μm < mm 
C)  μm < mm < cm < m 
D)  μm < m < cm < mm

Question 9

Which of the following is the largest number?

Accepted Answer

A)  2 × 10-1 
B)  5 × 10 3 
C)  3 × 10 4 
D)  7 × 10-6 
A)  2 × 10-1 
B)  5 × 10 3 
C)  3 × 10 4 
D)  7 × 10-6

Question 10

A studio apartment in Paris has an area of 75.0 square meters. A New York apartment with which of the following areas most closely has the same area as the Paris apartment? [1 meter = 1.094 yards]

Accepted Answer

A) 90.0 square feet 
B)  270. square feet 
C)  675 square feet 
D)  810. square feet 
A) 90.0 square feet 
B)  270. square feet 
C)  675 square feet 
D)  810. square feet

Question 11

Given the calculation: 15.72/9.16 = ?, what is the answer reported to the correct number of significant figures?

Accepted Answer

A)  1.71616 
B)  1.7162 
C)  1.716 
D)  1.72 
A)  1.71616 
B)  1.7162 
C)  1.716 
D)  1.72

Question 12

The boiling point of octane is 126°C. What is this temperature on the Fahrenheit scale?

Accepted Answer

A)  52°F 
B)  102°F 
C)  259°F 
D)  284°F 
A)  52°F 
B)  102°F 
C)  259°F 
D)  284°F

Question 13

Which of the following is not a physical property of gold?

Accepted Answer

A)  characteristic color 
B)  density 
C)  electrical conductivity 
D)  None, they are all physical properties. 
A)  characteristic color 
B)  density 
C)  electrical conductivity 
D)  None, they are all physical properties.

Question 14

Which of the following describes the compressibility of liquids?

Accepted Answer

A)  They are highly compressible. 
B)  They are slightly compressible. 
C)  They are virtually incompressible. 
D)  Any of these, depending on the liquid. 
A)  They are highly compressible. 
B)  They are slightly compressible. 
C)  They are virtually incompressible. 
D)  Any of these, depending on the liquid.

Question 15

How many kilograms (kg) are there in 1 milligram (mg)?

Accepted Answer

A)  1 × 10-12 
B)  1 × 10-6 
C)  1 × 106 
D)  1 × 1012 
A)  1 × 10-12 
B)  1 × 10-6 
C)  1 × 106 
D)  1 × 1012

Question 16

Given the calculation: 4.238 + 12.72 - 9.1 = ?, what is the answer reported to the correct number of significant figures?

Accepted Answer

A)  7.858 
B)  7.86 
C)  7.8 
D)  7.9 
A)  7.858 
B)  7.86 
C)  7.8 
D)  7.9

Question 17

Which of the following is true as a student slides down a water slide?

Accepted Answer

A)  kinetic energy increases 
B)  potential energy decreases 
C)  total energy remains constant 
D)  all of the above 
A)  kinetic energy increases 
B)  potential energy decreases 
C)  total energy remains constant 
D)  all of the above

Question 18

How many seconds are in a 24 hour day? [Assume exactly 24 hours in a day]

Accepted Answer

A)  60 
B)  1.44 × 10 3 
C)  3.60 × 103 
D)  8.64 × 104 
A)  60 
B)  1.44 × 10 3 
C)  3.60 × 103 
D)  8.64 × 104

Question 19

Given the calculation: (6.02 × 10 23)/12.00 = ?, what is the answer reported to the correct number of significant figures?

Accepted Answer

A)  1.993 × 10-23 
B)  1.99 × 10-23 
C)  5.017 × 1022 
D)  5.02 × 1022 
A)  1.993 × 10-23 
B)  1.99 × 10-23 
C)  5.017 × 1022 
D)  5.02 × 1022

Question 20

Which of the following represents a physical change?

Accepted Answer

A)  burning of fuel oil 
B)  melting of ice 
C)  both a and b 
D)  neither a nor b 
A)  burning of fuel oil 
B)  melting of ice 
C)  both a and b 
D)  neither a nor b

Exam 1: Matter, Energy, and Measurement

How many millgrams (mg) are there in 1 microgram (μg)?

In the SI system of units the basic unit of volume is the cubic meter (m3). A volume of 1 m3 is equal to which of the following?

Which of the following is the smallest unit of heat?

Which of the following is true of a hypothesis?

What is the metric length of the 100. yard dash? [1 inch = 2.54 cm (exactly)]

At what temperature do the temperatures on the Celsius and Kelvin scales have the same numerical value?

Which of the following is synonymous with "fact"?

In which of the following are the lengths given in the correct order?

Which of the following is the largest number?

A studio apartment in Paris has an area of 75.0 square meters. A New York apartment with which of the following areas most closely has the same area as the Paris apartment? [1 meter = 1.094 yards]

Given the calculation: 15.72/9.16 = ?, what is the answer reported to the correct number of significant figures?

The boiling point of octane is 126°C. What is this temperature on the Fahrenheit scale?

Which of the following is not a physical property of gold?

Which of the following describes the compressibility of liquids?

How many kilograms (kg) are there in 1 milligram (mg)?

Given the calculation: 4.238 + 12.72 - 9.1 = ?, what is the answer reported to the correct number of significant figures?

Which of the following is true as a student slides down a water slide?

How many seconds are in a 24 hour day? [Assume exactly 24 hours in a day]

Given the calculation: (6.02 × 10 23)/12.00 = ?, what is the answer reported to the correct number of significant figures?

Which of the following represents a physical change?

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes and Alkynes

Benzene and Its Derivatives

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters

In the SI system of units the basic unit of volume is the cubic meter (m³). A volume of 1 m³ is equal to which of the following?

Given the calculation: (6.02 × 10 ²³)/12.00 = ?, what is the answer reported to the correct number of significant figures?