Question 1

Match the substances with their classification.
-Gasoline

Accepted Answer

A) heterogeneous mixture 
B) element 
C) homogeneous mixture 
D) compound 
A) heterogeneous mixture 
B) element 
C) homogeneous mixture 
D) compound

Question 2

Which of the following is an example of a homogeneous mixture?

Accepted Answer

A)  sand 
B)  copper 
C)  air 
D)  sugar 
A)  sand 
B)  copper 
C)  air 
D)  sugar

Question 3

Match the definition with its term
-Paper burning

Accepted Answer

A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory 
A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory

Question 4

If 1 gram of ice needs a certain amount of heat to melt, the same amount of energy must be removed to convert it back to ice at its melting point.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following represents a chemical property of a specific metal?

Accepted Answer

A)  It has magnetic properties. 
B)  It melts at 800 °C. 
C)  Its density is higher than that of water. 
D)  When in contact with air it corrodes. 
A)  It has magnetic properties. 
B)  It melts at 800 °C. 
C)  Its density is higher than that of water. 
D)  When in contact with air it corrodes.

Question 6

Match the substances with their classification.
-chocolate chip cookies

Accepted Answer

A) heterogeneous mixture 
B) element 
C) homogeneous mixture 
D) compound 
A) heterogeneous mixture 
B) element 
C) homogeneous mixture 
D) compound

Question 7

Which of the following cannot be classified as matter?

Accepted Answer

A)  air 
B)  temperature 
C)  fog 
D)  oxygen molecule 
A)  air 
B)  temperature 
C)  fog 
D)  oxygen molecule

Question 8

Match the definition with its term
-Iron rusting

Accepted Answer

A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory 
A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory

Question 9

Match the event with its name of the process.
-The block of dry ice in an ice cream parlor starts smoking once the store attendant opens the ice cream freezer.

Accepted Answer

A) vaporization 
B) melting 
C) condensation 
D) freezing 
E) sublimation 
A) vaporization 
B) melting 
C) condensation 
D) freezing 
E) sublimation

Question 10

Which of the following may not be classified as matter?

Accepted Answer

A)  tooth filling 
B)  sand 
C)  heat 
D)  seawater 
A)  tooth filling 
B)  sand 
C)  heat 
D)  seawater

Question 11

Match the definition with its term
-Digesting a sandwich

Accepted Answer

A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory 
A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory

Question 12

Which of the following represents a chemical change?

Accepted Answer

A)  sublimation of dry ice 
B)  molding solid silver 
C)  frying an egg 
D)  breaking a piece of glass 
A)  sublimation of dry ice 
B)  molding solid silver 
C)  frying an egg 
D)  breaking a piece of glass

Question 13

Tap water is a homogeneous mixture, while freshly distilled water is a compound.

Accepted Answer

A) True 
 B)False

Question 14

Match the definition with its term
-Water boiling

Accepted Answer

A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory 
A) model 
B) law 
C) hypothesis 
D) experiment 
E) chemical change
F)bias
G)scientific method
H)physical change
I)theory

Question 15

Match the element with its symbol.
-Nitrogen

Accepted Answer

A) N 
B) Ne 
C) Nd 
D) Ni 
E) No 
A) N 
B) Ne 
C) Nd 
D) Ni 
E) No

Question 16

By what chemical symbol do we know the element chromium?

Accepted Answer

A)  Cr 
B)  Co 
C)  C 
D)  Cs 
A)  Cr 
B)  Co 
C)  C 
D)  Cs

Question 17

Which element pair is incorrect?

Accepted Answer

A)  Au - gold 
B)  Pb - iron 
C)  Ag - silver 
D)  Hg - mercury 
E)  Mg - magnesium 
A)  Au - gold 
B)  Pb - iron 
C)  Ag - silver 
D)  Hg - mercury 
E)  Mg - magnesium

Question 18

Match the substances with their classification.
-Breakfast cereal with milk

Accepted Answer

A) heterogeneous mixture 
B) element 
C) homogeneous mixture 
D) compound 
A) heterogeneous mixture 
B) element 
C) homogeneous mixture 
D) compound

Question 19

What is the name given to the element with the symbol "P"?

Accepted Answer

A)  polonium 
B)  protactinium 
C)  phosphorus 
D)  palladium 
A)  polonium 
B)  protactinium 
C)  phosphorus 
D)  palladium

Question 20

Match the event with its name of the process.
-Water droplets form on the mirror of the medicine cabinet while taking a shower.

Accepted Answer

A) vaporization 
B) melting 
C) condensation 
D) freezing 
E) sublimation 
A) vaporization 
B) melting 
C) condensation 
D) freezing 
E) sublimation

Match the substances with their classification. -Gasoline

Which of the following is an example of a homogeneous mixture?

Match the definition with its term -Paper burning

If 1 gram of ice needs a certain amount of heat to melt, the same amount of energy must be removed to convert it back to ice at its melting point.

Which of the following represents a chemical property of a specific metal?

Match the substances with their classification. -chocolate chip cookies

Which of the following cannot be classified as matter?

Match the definition with its term -Iron rusting

Match the event with its name of the process. -The block of dry ice in an ice cream parlor starts smoking once the store attendant opens the ice cream freezer.

Which of the following may not be classified as matter?

Match the definition with its term -Digesting a sandwich

Which of the following represents a chemical change?

Tap water is a homogeneous mixture, while freshly distilled water is a compound.

Match the definition with its term -Water boiling

Match the element with its symbol. -Nitrogen

By what chemical symbol do we know the element chromium?

Which element pair is incorrect?

Match the substances with their classification. -Breakfast cereal with milk

What is the name given to the element with the symbol "P"?

Match the event with its name of the process. -Water droplets form on the mirror of the medicine cabinet while taking a shower.

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 1: What Is Chemistry

Match the substances with their classification. -Gasoline

Which of the following is an example of a homogeneous mixture?

Match the definition with its term -Paper burning

If 1 gram of ice needs a certain amount of heat to melt, the same amount of energy must be removed to convert it back to ice at its melting point.

Which of the following represents a chemical property of a specific metal?

Match the substances with their classification. -chocolate chip cookies

Which of the following cannot be classified as matter?

Match the definition with its term -Iron rusting

Match the event with its name of the process. -The block of dry ice in an ice cream parlor starts smoking once the store attendant opens the ice cream freezer.

Which of the following may not be classified as matter?

Match the definition with its term -Digesting a sandwich

Which of the following represents a chemical change?

Tap water is a homogeneous mixture, while freshly distilled water is a compound.

Match the definition with its term -Water boiling

Match the element with its symbol. -Nitrogen

By what chemical symbol do we know the element chromium?

Which element pair is incorrect?

Match the substances with their classification. -Breakfast cereal with milk

What is the name given to the element with the symbol "P"?

Match the event with its name of the process. -Water droplets form on the mirror of the medicine cabinet while taking a shower.

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters