Question 1

When an acid is added to a basic solution, the pH of the solution

Accepted Answer

A) increases. 
B) decreases. 
C) is unchanged. 
D) Any of these choices could be correct, depends on the natures of the acid and base. 
A) increases. 
B) decreases. 
C) is unchanged. 
D) Any of these choices could be correct, depends on the natures of the acid and base. B

Question 2

Which of the following has the lowest 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 D

Question 3

A saturated solution contains

Accepted Answer

A) only ions. 
B) only nonpolar molecules. 
C) the maximum concentration of solute. 
D) the maximum concentration of solvent. 
A) only ions. 
B) only nonpolar molecules. 
C) the maximum concentration of solute. 
D) the maximum concentration of solvent. C

Question 4

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 5

Glass is

Accepted Answer

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

Question 6

A solution of table salt, NaCl, 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 7

An example of an ionic solid is

Accepted Answer

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

Question 8

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 9

Acids do not

Accepted Answer

A) neutralize bases. 
B) taste sour. 
C) combine with active metals to give off H2. 
D) liberate OH- ions when dissolved in water. 
A) neutralize bases. 
B) taste sour. 
C) combine with active metals to give off H2. 
D) liberate OH- ions when dissolved in water.

Question 10

The symbol of the hydronium ion is

Accepted Answer

A) H3O-. 
B) H3O+. 
C) OH-. 
D) OH+. 
A) H3O-. 
B) H3O+. 
C) OH-. 
D) OH+.

Question 11

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 12

An example of a weak acid is

Accepted Answer

A) nitric acid. 
B) acetic acid. 
C) sulfuric acid. 
D) hydrochloric acid. 
A) nitric acid. 
B) acetic acid. 
C) sulfuric acid. 
D) hydrochloric acid.

Question 13

The strongest bonds are

Accepted Answer

A) ionic. 
B) covalent. 
C) metallic. 
D) van der Waals. 
A) ionic. 
B) covalent. 
C) metallic. 
D) van der Waals.

Question 14

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 15

When equivalent amounts of a strong acid and a strong base react, the resulting solution is

Accepted Answer

A) acidic. 
B) basic. 
C) neutral. 
D) pure water. 
A) acidic. 
B) basic. 
C) neutral. 
D) pure water.

Question 16

The symbol of the hydroxide ion is

Accepted Answer

A) H3O-. 
B) H3O+. 
C) OH-. 
D) OH+. 
A) H3O-. 
B) H3O+. 
C) OH-. 
D) OH+.

Question 17

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 18

Which of the following would you expect to be a strong electrolyte in solution?

Accepted Answer

A) NaCl 
B) AgCl 
C) acetic acid 
D) soap 
A) NaCl 
B) AgCl 
C) acetic acid 
D) soap

Question 19

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 20

The average salinity of seawater is about

Accepted Answer

A) 0.1 percent. 
B) 1.5 percent. 
C) 3.5 percent. 
D) 10 percent. 
A) 0.1 percent. 
B) 1.5 percent. 
C) 3.5 percent. 
D) 10 percent.

When an acid is added to a basic solution, the pH of the solution

Which of the following has the lowest pH?

A saturated solution contains

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

Glass is

A solution of table salt, NaCl, in water is

An example of an ionic solid is

When a strong acid is added to water,

Acids do not

The symbol of the hydronium ion is

Which of the following has the highest pH?

An example of a weak acid is

The strongest bonds are

Polar molecules behave as though they

When equivalent amounts of a strong acid and a strong base react, the resulting solution is

The symbol of the hydroxide ion is

Pure water does not

Which of the following would you expect to be a strong electrolyte in solution?

An example of a covalent solid is

The average salinity of seawater is about

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Exam 11: Crystals, Ions, and Solutions

When an acid is added to a basic solution, the pH of the solution

Which of the following has the lowest pH?

A saturated solution contains

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

Glass is

A solution of table salt, NaCl, in water is

An example of an ionic solid is

When a strong acid is added to water,

Acids do not

The symbol of the hydronium ion is

Which of the following has the highest pH?

An example of a weak acid is

The strongest bonds are

Polar molecules behave as though they

When equivalent amounts of a strong acid and a strong base react, the resulting solution is

The symbol of the hydroxide ion is

Pure water does not

Which of the following would you expect to be a strong electrolyte in solution?

An example of a covalent solid is

The average salinity of seawater is about

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