Question 1

Dissolving an electrolyte in water results in the formation of

Accepted Answer

A)  polar molecules. 
B)  covalent molecules. 
C)  ions. 
D)  a precipitate. 
A)  polar molecules. 
B)  covalent molecules. 
C)  ions. 
D)  a precipitate.

Question 2

When a strong acid is added to water,

Accepted Answer

A)  more of it dissolves than in the case of a weak acid. 
B)  more of it dissociates than in the case of a weak acid. 
C)  more of it forms hydroxide ions than in the case of a weak acid. 
D)  less of it forms hydronium ions than in the case of a weak acid. 
A)  more of it dissolves than in the case of a weak acid. 
B)  more of it dissociates than in the case of a weak acid. 
C)  more of it forms hydroxide ions than in the case of a weak acid. 
D)  less of it forms hydronium ions than in the case of a weak acid.

Question 3

With increasing temperature, the solubility of a solid in a liquid

Accepted Answer

A)  decreases. 
B)  increases. 
C)  remains the same. 
D)  Any of these choices could be correct, depending on the particular solid and liquid. 
A)  decreases. 
B)  increases. 
C)  remains the same. 
D)  Any of these choices could be correct, depending on the particular solid and liquid.

Question 4

A solution of carbon dioxide, CO2, in water is

Accepted Answer

A)  acidic. 
B)  basic. 
C)  neutral. 
D)  Any of these choices could be correct, depending on the concentration. 
A)  acidic. 
B)  basic. 
C)  neutral. 
D)  Any of these choices could be correct, depending on the concentration.

Question 5

Polar molecules behave as though they

Accepted Answer

A)  contain tiny magnets. 
B)  have a positive charge at both ends. 
C)  have a negative charge at both ends. 
D)  have a positive charge at one end and a negative charge at the other. 
A)  contain tiny magnets. 
B)  have a positive charge at both ends. 
C)  have a negative charge at both ends. 
D)  have a positive charge at one end and a negative charge at the other.

Question 6

Which of the following has the highest pH?

Accepted Answer

A)  pure water. 
B)  concentrated sugar solution. 
C)  concentrated sodium hydroxide solution. 
D)  gastric fluid. 
A)  pure water. 
B)  concentrated sugar solution. 
C)  concentrated sodium hydroxide solution. 
D)  gastric fluid.

Question 7

In general molecular solids

Accepted Answer

A)  have fairly low melting points. 
B)  are good electrical conductors. 
C)  are good heat conductors. 
D)  are insoluble. 
A)  have fairly low melting points. 
B)  are good electrical conductors. 
C)  are good heat conductors. 
D)  are insoluble.

Question 8

The individual particles in a metal are held together as a result of

Accepted Answer

A)  electron transfer between adjacent atoms. 
B)  electron sharing between adjacent atoms. 
C)  the attraction of polar molecules. 
D)  a sea of freely moving electrons. 
A)  electron transfer between adjacent atoms. 
B)  electron sharing between adjacent atoms. 
C)  the attraction of polar molecules. 
D)  a sea of freely moving electrons.

Question 9

An example of a covalent solid is

Accepted Answer

A)  ice. 
B)  diamond. 
C)  table salt. 
D)  tin. 
A)  ice. 
B)  diamond. 
C)  table salt. 
D)  tin.

Question 10

Pure water does not

Accepted Answer

A)  contain H+ ions. 
B)  contain OH- ions. 
C)  contain polar molecules. 
D)  form ionic crystals when it freezes. 
A)  contain H+ ions. 
B)  contain OH- ions. 
C)  contain polar molecules. 
D)  form ionic crystals when it freezes.

Question 11

Glass is

Accepted Answer

A)  amorphous. 
B)  crystalline. 
C)  covalent. 
D)  polar. 
A)  amorphous. 
B)  crystalline. 
C)  covalent. 
D)  polar.

Question 12

Pure acids in the liquid state consist of

Accepted Answer

A)  neutral molecules. 
B)  H+ ions and neutral molecules. 
C)  H+ ions and negative ions. 
D)  H+ and OH- ions. 
A)  neutral molecules. 
B)  H+ ions and neutral molecules. 
C)  H+ ions and negative ions. 
D)  H+ and OH- ions.

Dissolving an electrolyte in water results in the formation of

When a strong acid is added to water,

With increasing temperature, the solubility of a solid in a liquid

A solution of carbon dioxide, CO₂, in water is

Polar molecules behave as though they

Which of the following has the highest pH?

In general molecular solids

The individual particles in a metal are held together as a result of

An example of a covalent solid is

Pure water does not

Glass is

Pure acids in the liquid state consist of

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

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Exam 11: Crystals, Ions, and Solutions

Dissolving an electrolyte in water results in the formation of

When a strong acid is added to water,

With increasing temperature, the solubility of a solid in a liquid

A solution of carbon dioxide, CO2, in water is

Polar molecules behave as though they

Which of the following has the highest pH?

In general molecular solids

The individual particles in a metal are held together as a result of

An example of a covalent solid is

Pure water does not

Glass is

Pure acids in the liquid state consist of

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe Galaxies

Filters

A solution of carbon dioxide, CO₂, in water is