Question 1

Which of these gases combine with water to form acid rain?
I. SO2
II. NO2
III. H2
IV. N2
V. Cl2

Accepted Answer

A) I only 
B) II only 
C) I and II 
D) I and IV 
E) I, III and V 
A) I only 
B) II only 
C) I and II 
D) I and IV 
E) I, III and V

Question 2

Which of these substances is most basic?

Accepted Answer

A) Lemons 
B) Corn 
C) Soft drinks 
D) Blood 
E) Wine 
A) Lemons 
B) Corn 
C) Soft drinks 
D) Blood 
E) Wine

Question 3

What is the pH of pure water at 25 oC?

Accepted Answer

A) 0 
B) 1 
C) 10 
D) 14 
E) none of the above 
A) 0 
B) 1 
C) 10 
D) 14 
E) none of the above

Question 4

Which of these acids is responsible for the sourness in many fruits?

Accepted Answer

A) Muriatic 
B) Citric 
C) Sulfuric 
D) Acetic 
E) Benzoic 
A) Muriatic 
B) Citric 
C) Sulfuric 
D) Acetic 
E) Benzoic

Question 5

Which of these acids is a component in vinegar?

Accepted Answer

A) H2SO4 
B) HCl 
C) HNO3 
D) NaOH 
E) CH3COOH 
A) H2SO4 
B) HCl 
C) HNO3 
D) NaOH 
E) CH3COOH

Question 6

Which of these substances would have the lowest pH?

Accepted Answer

A) 1.0 M CH3COOH 
B) 1.0 M HNO3 
C) 1.0 M NH3 
D) 1.0 M HCOOH 
E) 1.0 M NaOH 
A) 1.0 M CH3COOH 
B) 1.0 M HNO3 
C) 1.0 M NH3 
D) 1.0 M HCOOH 
E) 1.0 M NaOH

Question 7

Which of these substances would have the highest pH?

Accepted Answer

A) 1.0 M CH3COOH 
B) 1.0 M HNO3 
C) 1.0 M NH3 
D) 1.0 M HCOOH 
E) 1.0 M NaOH 
A) 1.0 M CH3COOH 
B) 1.0 M HNO3 
C) 1.0 M NH3 
D) 1.0 M HCOOH 
E) 1.0 M NaOH

Question 8

The most acidic rainfall in the United States occurs in  _____.

Accepted Answer

A) the northwest region. 
B) the southwest region 
C) the southeast region 
D) the northeast region 
E) the midwest. 
A) the northwest region. 
B) the southwest region 
C) the southeast region 
D) the northeast region 
E) the midwest.

Question 9

Which of these substances is a strong acid?

Accepted Answer

A) HCN 
B) H2PO3 
C) HCl 
D) HNO2 
E) H2CO3 
A) HCN 
B) H2PO3 
C) HCl 
D) HNO2 
E) H2CO3

Question 10

Which of these is the primary ingredient in baking soda?

Accepted Answer

A) NaOH 
B) Mg(OH)2 
C) Al(OH)3 
D) CaCO3 
E) NaHCO3 
A) NaOH 
B) Mg(OH)2 
C) Al(OH)3 
D) CaCO3 
E) NaHCO3

Question 11

Which of these is the Bronsted-Lowry acid in this chemical equation?
H2O + CN −  → HCN + OH −

Accepted Answer

A) H3O+ 
B) H2O 
C) H2SO4 
D) CN −  
E) OH −  
A) H3O+ 
B) H2O 
C) H2SO4 
D) CN −  
E) OH −

Question 12

The formula of the hydroxide ion is:

Accepted Answer

A) OH −  
B) OH+ 
C) H3O+ 
D) H3O −  
E) none of the above 
A) OH −  
B) OH+ 
C) H3O+ 
D) H3O −  
E) none of the above

Question 13

Which of these statements about weak bases is correct ?

Accepted Answer

A) Bases which are concentrated. 
B) Bases which have a very high pH. 
C) Bases which dissociate 100% into ions. 
D) Bases which dissociate very little into ions. 
E) Both B and C are correct. 
A) Bases which are concentrated. 
B) Bases which have a very high pH. 
C) Bases which dissociate 100% into ions. 
D) Bases which dissociate very little into ions. 
E) Both B and C are correct.

Question 14

Which of these compounds can not act as a Bronsted-Lowry base?

Accepted Answer

A) NH4+ 
B) OH −  
C) CH3COO −  
D) H2O 
E) NH3 
A) NH4+ 
B) OH −  
C) CH3COO −  
D) H2O 
E) NH3

Question 15

Which of these two acids are found in most soft drinks?

Accepted Answer

A) Acetic and citric 
B) Lactic and citric 
C) Malic and lactic 
D) Carbonic and phosphoric 
E) Hydrochloric and phosphoric 
A) Acetic and citric 
B) Lactic and citric 
C) Malic and lactic 
D) Carbonic and phosphoric 
E) Hydrochloric and phosphoric

Question 16

Which of these acids is a parent molecule for making aspirin?

Accepted Answer

A) Muriatic 
B) Citric 
C) Benzoic 
D) Acetic 
E) Salicylic 
A) Muriatic 
B) Citric 
C) Benzoic 
D) Acetic 
E) Salicylic

Question 17

Which of these represents the average pH of ordinary rain water?

Accepted Answer

A) 1 
B) 2.8 
C) 3.5 
D) 5.6 
E) 7.0 
A) 1 
B) 2.8 
C) 3.5 
D) 5.6 
E) 7.0

Question 18

Which of these sets indicating relative acid strength is correct ?

Accepted Answer

A) H2CO3> NH3 
B) HCOOH > H2SO4 
C) C5H5N > H3PO4 
D) KOH > CH3COOH 
E) C6H5COOH > HNO3 
A) H2CO3> NH3 
B) HCOOH > H2SO4 
C) C5H5N > H3PO4 
D) KOH > CH3COOH 
E) C6H5COOH > HNO3

Question 19

Which of these substances is represented in the diagram?
​

Accepted Answer

A) A weak acid 
B) A weak base 
C) A strong acid 
D) A strong base 
E) A salt 
A) A weak acid 
B) A weak base 
C) A strong acid 
D) A strong base 
E) A salt

Question 20

Which of these is the best definition of a Bronsted-Lowry acid?

Accepted Answer

A) Any substance that donates H+ ions in solution. 
B) Any substance that produces OH −  ions in solution. 
C) Any substance that accepts a lone pair of electrons. 
D) Any substance that neutralizes a base in solution. 
E) Any substance that accepts H+ ion in solution. 
A) Any substance that donates H+ ions in solution. 
B) Any substance that produces OH −  ions in solution. 
C) Any substance that accepts a lone pair of electrons. 
D) Any substance that neutralizes a base in solution. 
E) Any substance that accepts H+ ion in solution.

Which of these gases combine with water to form acid rain? I. SO₂ II. NO₂ III. H₂ IV. N₂ V. Cl₂

Which of these substances is most basic?

What is the pH of pure water at 25 ^oC?

Which of these acids is responsible for the sourness in many fruits?

Which of these acids is a component in vinegar?

Which of these substances would have the lowest pH?

Which of these substances would have the highest pH?

The most acidic rainfall in the United States occurs in _____.

Which of these substances is a strong acid?

Which of these is the primary ingredient in baking soda?

Which of these is the Bronsted-Lowry acid in this chemical equation? H₂O + CN⁻ → HCN + OH⁻

The formula of the hydroxide ion is:

Which of these statements about weak bases is correct ?

Which of these compounds can not act as a Bronsted-Lowry base?

Which of these two acids are found in most soft drinks?

Which of these acids is a parent molecule for making aspirin?

Which of these represents the average pH of ordinary rain water?

Which of these sets indicating relative acid strength is correct ?

Which of these substances is represented in the diagram?

Which of these is the best definition of a Bronsted-Lowry acid?

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

Exam 13: Acids and Bases: the Molecules Responsible for Sour and Bitter

Which of these gases combine with water to form acid rain? I. SO2 II. NO2 III. H2 IV. N2 V. Cl2

Which of these substances is most basic?

What is the pH of pure water at 25 oC?

Which of these acids is responsible for the sourness in many fruits?

Which of these acids is a component in vinegar?

Which of these substances would have the lowest pH?

Which of these substances would have the highest pH?

The most acidic rainfall in the United States occurs in _____.

Which of these substances is a strong acid?

Which of these is the primary ingredient in baking soda?

Which of these is the Bronsted-Lowry acid in this chemical equation? H2O + CN − → HCN + OH −

The formula of the hydroxide ion is:

Which of these statements about weak bases is correct ?

Which of these compounds can not act as a Bronsted-Lowry base?

Which of these two acids are found in most soft drinks?

Which of these acids is a parent molecule for making aspirin?

Which of these represents the average pH of ordinary rain water?

Which of these sets indicating relative acid strength is correct ?

Which of these substances is represented in the diagram? ​

Which of these is the best definition of a Bronsted-Lowry acid?

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

Which of these gases combine with water to form acid rain? I. SO₂ II. NO₂ III. H₂ IV. N₂ V. Cl₂

What is the pH of pure water at 25 ^oC?

Which of these is the Bronsted-Lowry acid in this chemical equation? H₂O + CN⁻ → HCN + OH⁻

Which of these substances is represented in the diagram?