Question 1

Which of the following contributes to acid rain?

Accepted Answer

A) The use of volatile acids in industry. 
B) The reaction of metal oxides with water. 
C) The reaction of nonmetal oxides with water. 
D) The reaction of alkali metals with water. 
E) all of the above 
A) The use of volatile acids in industry. 
B) The reaction of metal oxides with water. 
C) The reaction of nonmetal oxides with water. 
D) The reaction of alkali metals with water. 
E) all of the above

Question 2

Pure water cannot conduct electricity so why do we have to be careful with electrical appliances near water?

Accepted Answer

A) OSHA regulations 
B) Water can be broken down by electricity. 
C) Water always has some ions dissolved in it. 
D) Water dissociates fully into its ions. 
E) none of the above 
A) OSHA regulations 
B) Water can be broken down by electricity. 
C) Water always has some ions dissolved in it. 
D) Water dissociates fully into its ions. 
E) none of the above

Question 3

Rain is naturally somewhat acidic because of atmospheric carbon dioxide.

Accepted Answer

A) True 
 B)False

Question 4

In a titration,the indicator is used to signal when the endpoint has been reached.

Accepted Answer

A) True 
 B)False

Question 5

Acids have a bitter taste.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is TRUE of alkaloid compounds?

Accepted Answer

A) Alkaloids are organic bases. 
B) Alkaloids occur naturally in many plants. 
C) Some narcotic drugs are alkaloids. 
D) Some alkaloids are addictive. 
E) All of the above are true. 
A) Alkaloids are organic bases. 
B) Alkaloids occur naturally in many plants. 
C) Some narcotic drugs are alkaloids. 
D) Some alkaloids are addictive. 
E) All of the above are true.

Question 7

A 25.0 mL sample of 0.105 M HCl was titrated with 31.5 mL of NaOH.What is the concentration of the NaOH?

Accepted Answer

A) 0.0833 M 
B) 0.132 M 
C) 0.105 M 
D) 0.075 M 
E) none of the above 
A) 0.0833 M 
B) 0.132 M 
C) 0.105 M 
D) 0.075 M 
E) none of the above

Question 8

The main component of stomach acid is sulfuric acid.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is the active ingredient of baking soda?

Accepted Answer

A) NH3 
B) NaHCO3 
C) KOH 
D) NaOH 
E) none of the above 
A) NH3 
B) NaHCO3 
C) KOH 
D) NaOH 
E) none of the above

Question 10

Which of the following is NOT a property of acids?

Accepted Answer

A) Acids have a slippery feel. 
B) Acids have a sour taste. 
C) Acids turn litmus paper red. 
D) Acids dissolve many metals. 
E) All of the above are properties of acids. 
A) Acids have a slippery feel. 
B) Acids have a sour taste. 
C) Acids turn litmus paper red. 
D) Acids dissolve many metals. 
E) All of the above are properties of acids.

Question 11

A 0.10 M solution of an electrolyte has a pH of 4.5.The electrolyte is:

Accepted Answer

A) a strong acid. 
B) a strong base. 
C) a weak acid. 
D) a weak base. 
E) none of the above 
A) a strong acid. 
B) a strong base. 
C) a weak acid. 
D) a weak base. 
E) none of the above

Question 12

Which of the following is a weak base?

Accepted Answer

A) calcium hydroxide 
B) sodium fluoride 
C) potassium hydroxide 
D) ammonia 
E) none of the above 
A) calcium hydroxide 
B) sodium fluoride 
C) potassium hydroxide 
D) ammonia 
E) none of the above

Question 13

Exactly 17.0 mL of a H2SO4 solution was required to neutralize 45.0 mL of 0.235 M NaOH.What was the concentration of the H2SO4 solution? 
Given: H2SO4 (aq)+ 2NaOH (aq)→ 2H2O (l)+ Na2SO4 (aq)

Accepted Answer

A) 5.63 M 
B) 0.622 M 
C) 0.00529 M 
D) 0.311 M 
E) none of the above 
A) 5.63 M 
B) 0.622 M 
C) 0.00529 M 
D) 0.311 M 
E) none of the above

Question 14

The pH of 0.001 M HCl is 3.0.

Accepted Answer

A) True 
 B)False

Question 15

The sour taste of bases warns humans against eating poisonous alkaloids found in some plants.

Accepted Answer

A) True 
 B)False

Question 16

A solution that has a pH of 10 would also have a pOH of 4.

Accepted Answer

A) True 
 B)False

Question 17

What is the concentration of H+ in a 0.121 M HCl solution?

Accepted Answer

A) 1.0 x 10-14 M 
B) < 0.121 M 
C) 0.121 M 
D) not enough information 
E) none of the above 
A) 1.0 x 10-14 M 
B) < 0.121 M 
C) 0.121 M 
D) not enough information 
E) none of the above

Question 18

What is the pH of a solution that has a [ H+] = 0.0045 M?

Accepted Answer

A) 1.35 
B) 2.35 
C) 3.35 
D) 7.0045 
E) none of the above 
A) 1.35 
B) 2.35 
C) 3.35 
D) 7.0045 
E) none of the above

Question 19

Which of the following acids is commonly used for manufacturing fertilizer?

Accepted Answer

A) HCl 
B) HNO3 
C) HF 
D) HBr 
E) all of the above 
A) HCl 
B) HNO3 
C) HF 
D) HBr 
E) all of the above

Question 20

A conjugate acid-base pair are two substances related to each other by the transfer of a proton.

Accepted Answer

A) True 
 B)False

Which of the following contributes to acid rain?

Pure water cannot conduct electricity so why do we have to be careful with electrical appliances near water?

Rain is naturally somewhat acidic because of atmospheric carbon dioxide.

In a titration,the indicator is used to signal when the endpoint has been reached.

Acids have a bitter taste.

Which of the following is TRUE of alkaloid compounds?

A 25.0 mL sample of 0.105 M HCl was titrated with 31.5 mL of NaOH.What is the concentration of the NaOH?

The main component of stomach acid is sulfuric acid.

Which of the following is the active ingredient of baking soda?

Which of the following is NOT a property of acids?

A 0.10 M solution of an electrolyte has a pH of 4.5.The electrolyte is:

Which of the following is a weak base?

Exactly 17.0 mL of a H₂SO₄ solution was required to neutralize 45.0 mL of 0.235 M NaOH.What was the concentration of the H₂SO₄ solution? Given: H₂SO₄ (aq)+ 2NaOH (aq)→ 2H₂O (l)+ Na₂SO₄ (aq)

The pH of 0.001 M HCl is 3.0.

The sour taste of bases warns humans against eating poisonous alkaloids found in some plants.

A solution that has a pH of 10 would also have a pOH of 4.

What is the concentration of H⁺ in a 0.121 M HCl solution?

What is the pH of a solution that has a [ H⁺] = 0.0045 M?

Which of the following acids is commonly used for manufacturing fertilizer?

A conjugate acid-base pair are two substances related to each other by the transfer of a proton.

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Exam 14: Acids and Bases

Which of the following contributes to acid rain?

Pure water cannot conduct electricity so why do we have to be careful with electrical appliances near water?

Rain is naturally somewhat acidic because of atmospheric carbon dioxide.

In a titration,the indicator is used to signal when the endpoint has been reached.

Acids have a bitter taste.

Which of the following is TRUE of alkaloid compounds?

A 25.0 mL sample of 0.105 M HCl was titrated with 31.5 mL of NaOH.What is the concentration of the NaOH?

The main component of stomach acid is sulfuric acid.

Which of the following is the active ingredient of baking soda?

Which of the following is NOT a property of acids?

A 0.10 M solution of an electrolyte has a pH of 4.5.The electrolyte is:

Which of the following is a weak base?

Exactly 17.0 mL of a H2SO4 solution was required to neutralize 45.0 mL of 0.235 M NaOH.What was the concentration of the H2SO4 solution? Given: H2SO4 (aq)+ 2NaOH (aq)→ 2H2O (l)+ Na2SO4 (aq)

The pH of 0.001 M HCl is 3.0.

The sour taste of bases warns humans against eating poisonous alkaloids found in some plants.

A solution that has a pH of 10 would also have a pOH of 4.

What is the concentration of H+ in a 0.121 M HCl solution?

What is the pH of a solution that has a [ H+] = 0.0045 M?

Which of the following acids is commonly used for manufacturing fertilizer?

A conjugate acid-base pair are two substances related to each other by the transfer of a proton.

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Exactly 17.0 mL of a H₂SO₄ solution was required to neutralize 45.0 mL of 0.235 M NaOH.What was the concentration of the H₂SO₄ solution? Given: H₂SO₄ (aq)+ 2NaOH (aq)→ 2H₂O (l)+ Na₂SO₄ (aq)

What is the concentration of H⁺ in a 0.121 M HCl solution?

What is the pH of a solution that has a [ H⁺] = 0.0045 M?