Question 1

A weak acid will always be less concentrated than a strong acid.

Accepted Answer

A) True 
 B)False  False

Question 2

If the concentration of a dilute solution of nitric acid is 0.0001 M,what is the pH of that solution?

Accepted Answer

A) 5 
B) 4 
C) 10 
D) 3 
A) 5 
B) 4 
C) 10 
D) 3 B

Question 3

Phenolphthalein has often been used to monitor the progress of an acid-base neutralization reaction.What color will phenolphthalein be when there is an excess of acid present?

Accepted Answer

A) colorless 
B) green 
C) pink 
D) yellow 
A) colorless 
B) green 
C) pink 
D) yellow A

Question 4

Which antacid also acts as an antidiarrheal agent?

Accepted Answer

A) lithium hydroxide 
B) nitric acid 
C) lithium bicarbonate 
D) calcium carbonate 
A) lithium hydroxide 
B) nitric acid 
C) lithium bicarbonate 
D) calcium carbonate

Question 5

When metal oxides react with water,the resulting solution is generally

Accepted Answer

A) salty. 
B) acidic. 
C) neutral. 
D) basic. 
A) salty. 
B) acidic. 
C) neutral. 
D) basic.

Question 6

Which substance has the highest pH?

Accepted Answer

A) bile 
B) lemon juice 
C) pure water 
D) milk of magnesia 
A) bile 
B) lemon juice 
C) pure water 
D) milk of magnesia

Question 7

Calcium carbonate is a common antacid.A problem with regular use of calcium carbonate based antacids is they cause

Accepted Answer

A) constipation. 
B) diarrhea. 
C) high blood pressure. 
D) destruction of the stomach lining. 
A) constipation. 
B) diarrhea. 
C) high blood pressure. 
D) destruction of the stomach lining.

Question 8

Give an example of an amphiprotic compound.

Accepted Answer

A) sulfuric acid 
B) water 
C) potassium chloride 
D) ammonia 
A) sulfuric acid 
B) water 
C) potassium chloride 
D) ammonia

Question 9

Antacids are basic compounds.

Accepted Answer

A) True 
 B)False

Question 10

In the balanced chemical reaction for the neutralization of calcium hydroxide with sulfuric acid,H₂SO₄,the coefficient of water is

Accepted Answer

A) 4) 
B) 5 
C) 1) 
D) 2) 
A) 4) 
B) 5 
C) 1) 
D) 2)

Question 11

Which of the following is the correct balanced equation for the neutralization of barium hydroxide with hydrochloric acid?

Accepted Answer

A) Ba(OH)₂ + 2 HCl → BaCl₂ + 2 H₂O 
B) BaOH₂ + 2 HCl → BaCl₂ + H₂O 
C) Ba(OH)₂ + HCl → BaCl₂ + H₂O 
D) BaOH + HCl → BaCl + H₂O 
A) Ba(OH)₂ + 2 HCl → BaCl₂ + 2 H₂O 
B) BaOH₂ + 2 HCl → BaCl₂ + H₂O 
C) Ba(OH)₂ + HCl → BaCl₂ + H₂O 
D) BaOH + HCl → BaCl + H₂O

Question 12

In the balanced chemical reaction for the neutralization of calcium hydroxide with nitric acid,HNO₃,the coefficient of nitric acid is

Accepted Answer

A) 3) 
B) 2) 
C) 1) 
D) 4) 
A) 3) 
B) 2) 
C) 1) 
D) 4)

Question 13

The compound CH₃NH₂ reacts with water to form CH₃NH₃⁺ and OH⁻.In this reaction,CH₃NH₂ is acting as a(n)

Accepted Answer

A) acid. 
B) base. 
C) salt. 
D) catalyst. 
A) acid. 
B) base. 
C) salt. 
D) catalyst.

Question 14

When added to water,which of the following would produce a base?

Accepted Answer

A) Li₂O 
B) ClO₂ 
C) P₄O₁₀ 
D) SO₂ 
A) Li₂O 
B) ClO₂ 
C) P₄O₁₀ 
D) SO₂

Question 15

Aluminum hydroxide is a popular antacid.The formula of aluminum hydroxide is

Accepted Answer

A) AlOH. 
B) Al(OH)₂. 
C) Al(OH)₃. 
D) Al₃OH. 
A) AlOH. 
B) Al(OH)₂. 
C) Al(OH)₃. 
D) Al₃OH.

Question 16

A solution with a pH of 12 will be

Accepted Answer

A) weakly basic. 
B) strongly basic. 
C) weakly acidic. 
D) neutral. 
A) weakly basic. 
B) strongly basic. 
C) weakly acidic. 
D) neutral.

Question 17

Acid rain is caused by acidic pollutants in the air.Which of the following pollutants does NOT contribute to acid rain?

Accepted Answer

A) ammonia, NH₃ 
B) sulfur dioxide, SO₂ 
C) nitrogen dioxide, NO₂ 
D) nitric oxide, NO 
A) ammonia, NH₃ 
B) sulfur dioxide, SO₂ 
C) nitrogen dioxide, NO₂ 
D) nitric oxide, NO

Question 18

Sodium bicarbonate is an old standby antacid.It is not recommended for persons suffering from high blood pressure because

Accepted Answer

A) it is too strong an acid. 
B) it is too strong a base. 
C) of the presence of sodium ion. 
D) of the presence of bicarbonate ion. 
A) it is too strong an acid. 
B) it is too strong a base. 
C) of the presence of sodium ion. 
D) of the presence of bicarbonate ion.

Question 19

A solution of toilet bowl cleaner has a pH of 9.The solution is

Accepted Answer

A) weakly basic. 
B) strongly basic. 
C) weakly acidic. 
D) strongly acidic. 
A) weakly basic. 
B) strongly basic. 
C) weakly acidic. 
D) strongly acidic.

Question 20

A solution with a pH of 3 has a hydronium ion concentration of

Accepted Answer

A) 10⁻³ mol/L. 
B) 10³ mol/L. 
C) 10 mol/L. 
D) -10 mol/L. 
A) 10⁻³ mol/L. 
B) 10³ mol/L. 
C) 10 mol/L. 
D) -10 mol/L.

Exam 7: Acids and Bases

A weak acid will always be less concentrated than a strong acid.

If the concentration of a dilute solution of nitric acid is 0.0001 M,what is the pH of that solution?

Phenolphthalein has often been used to monitor the progress of an acid-base neutralization reaction.What color will phenolphthalein be when there is an excess of acid present?

Which antacid also acts as an antidiarrheal agent?

When metal oxides react with water,the resulting solution is generally

Which substance has the highest pH?

Calcium carbonate is a common antacid.A problem with regular use of calcium carbonate based antacids is they cause

Give an example of an amphiprotic compound.

Antacids are basic compounds.

In the balanced chemical reaction for the neutralization of calcium hydroxide with sulfuric acid,H₂SO₄,the coefficient of water is

Which of the following is the correct balanced equation for the neutralization of barium hydroxide with hydrochloric acid?

In the balanced chemical reaction for the neutralization of calcium hydroxide with nitric acid,HNO₃,the coefficient of nitric acid is

The compound CH₃NH₂ reacts with water to form CH₃NH₃⁺ and OH⁻.In this reaction,CH₃NH₂ is acting as a(n)

When added to water,which of the following would produce a base?

Aluminum hydroxide is a popular antacid.The formula of aluminum hydroxide is

A solution with a pH of 12 will be

Acid rain is caused by acidic pollutants in the air.Which of the following pollutants does NOT contribute to acid rain?

Sodium bicarbonate is an old standby antacid.It is not recommended for persons suffering from high blood pressure because

A solution of toilet bowl cleaner has a pH of 9.The solution is

A solution with a pH of 3 has a hydronium ion concentration of

Chemistry

Atoms

Atomic Structure

Chemical Bonds

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Chemistry of the Earth

Air

Water

Energy

Biochemistry

Food

Drugs

Fitness and Health

Chemistry Down on the Farm

Household Chemicals

Poisons

Filters