Question 1

Bases do not

Accepted Answer

A) taste bitter. 
B) turn red litmus to blue. 
C) liberate H2 when mixed with an active metal. 
D) produce OH- ions in water solution. 
A) taste bitter. 
B) turn red litmus to blue. 
C) liberate H2 when mixed with an active metal. 
D) produce OH- ions in water solution.

Question 2

With increasing temperature, the solubility of a gas 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 gas and liquid. 
A) decreases. 
B) increases. 
C) remains the same. 
D) Any of these choices could be correct, depending on the particular gas and liquid.

Question 3

At room temperature and atmospheric pressure, ammonia is a

Accepted Answer

A) gas whose formula is NH3. 
B) liquid whose formula is NH3. 
C) gas whose formula is NH4. 
D) liquid whose formula is NH4. 
A) gas whose formula is NH3. 
B) liquid whose formula is NH3. 
C) gas whose formula is NH4. 
D) liquid whose formula is NH4.

Question 4

A solution of ammonia, NH3, 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

The individual particles in a molecular solid 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 6

The fundamental reaction of neutralization is

Accepted Answer

A) H+ + H2O $\rarr$ H3O+. 
B) H2O $\rarr$H+ + OH-. 
C) H+ + OH- $\rarr$ H2O. 
D) H2O + H2O $\rarr$ H3O+ + OH-. 
A) H+ + H2O $\rarr$ H3O+. 
B) H2O $\rarr$H+ + OH-. 
C) H+ + OH- $\rarr$ H2O. 
D) H2O + H2O $\rarr$ H3O+ + OH-.

Question 7

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 8

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 9

When dissolved in water, which one or more of the following compounds gives rise to a basic solution?

Accepted Answer

A) calcium hydroxide, Ca(OH)2 
B) washing soda, Na2CO3 
C) methanol, CH3OH 
D) copper sulfate, CuSO4 
E) Both A and B 
A) calcium hydroxide, Ca(OH)2 
B) washing soda, Na2CO3 
C) methanol, CH3OH 
D) copper sulfate, CuSO4 
E) Both A and B

Question 10

All forms of solid carbon

Accepted Answer

A) are amorphous. 
B) are crystalline. 
C) are held together only by covalent bonds. 
D) conduct electricity well. 
A) are amorphous. 
B) are crystalline. 
C) are held together only by covalent bonds. 
D) conduct electricity well.

Question 11

Pure water has a pH of

Accepted Answer

A) 0. 
B) 1. 
C) 7. 
D) 10. 
A) 0. 
B) 1. 
C) 7. 
D) 10.

Question 12

The formula for iron(II) hydroxide is

Accepted Answer

A) FeOH. 
B) Fe2OH. 
C) Fe(OH)2. 
D) Fe2(OH)2. 
A) FeOH. 
B) Fe2OH. 
C) Fe(OH)2. 
D) Fe2(OH)2.

Question 13

An insoluble solid that results from a chemical reaction is called

Accepted Answer

A) a solute. 
B) a colloid. 
C) an electrolyte. 
D) a precipitate. 
A) a solute. 
B) a colloid. 
C) an electrolyte. 
D) a precipitate.

Question 14

Ionic crystals dissolve only in liquids that are

Accepted Answer

A) polar. 
B) nonpolar. 
C) saturated. 
D) supersaturated. 
A) polar. 
B) nonpolar. 
C) saturated. 
D) supersaturated.

Question 15

A solid whose particles are irregularly arranged with no definite pattern is said to be

Accepted Answer

A) a van der Waals solid. 
B) nonpolar. 
C) amorphous. 
D) unsaturated. 
A) a van der Waals solid. 
B) nonpolar. 
C) amorphous. 
D) unsaturated.

Question 16

Most solids are

Accepted Answer

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

Question 17

The individual particles in an ionic solid are held together as a result of

Accepted Answer

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

Question 18

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.

Question 19

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 20

The chloride ion Cl- is

Accepted Answer

A) less reactive than the chlorine molecule Cl2. 
B) more reactive than the chlorine molecule Cl2. 
C) equal in reactivity to the chlorine molecule Cl2. 
D) Any of these choices could be correct, depending on the temperature. 
A) less reactive than the chlorine molecule Cl2. 
B) more reactive than the chlorine molecule Cl2. 
C) equal in reactivity to the chlorine molecule Cl2. 
D) Any of these choices could be correct, depending on the temperature.

Bases do not

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

At room temperature and atmospheric pressure, ammonia is a

A solution of ammonia, NH₃, in water is

The individual particles in a molecular solid are held together as a result of

The fundamental reaction of neutralization is

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

Dissolving an electrolyte in water results in the formation of

When dissolved in water, which one or more of the following compounds gives rise to a basic solution?

All forms of solid carbon

Pure water has a pH of

The formula for iron(II) hydroxide is

An insoluble solid that results from a chemical reaction is called

Ionic crystals dissolve only in liquids that are

A solid whose particles are irregularly arranged with no definite pattern is said to be

Most solids are

The individual particles in an ionic solid are held together as a result of

Pure acids in the liquid state consist of

A solution of carbon dioxide, CO₂, in water is

The chloride ion Cl^- is

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Exam 11: Crystals, Ions, and Solutions

Bases do not

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

At room temperature and atmospheric pressure, ammonia is a

A solution of ammonia, NH3, in water is

The individual particles in a molecular solid are held together as a result of

The fundamental reaction of neutralization is

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

Dissolving an electrolyte in water results in the formation of

When dissolved in water, which one or more of the following compounds gives rise to a basic solution?

All forms of solid carbon

Pure water has a pH of

The formula for iron(II) hydroxide is

An insoluble solid that results from a chemical reaction is called

Ionic crystals dissolve only in liquids that are

A solid whose particles are irregularly arranged with no definite pattern is said to be

Most solids are

The individual particles in an ionic solid are held together as a result of

Pure acids in the liquid state consist of

A solution of carbon dioxide, CO2, in water is

The chloride ion Cl- is

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

Universe

Filters

A solution of ammonia, NH₃, in water is

A solution of carbon dioxide, CO₂, in water is

The chloride ion Cl^- is