Question 1

Many medicines have a bitter taste which manufacturers attempt to disguise. Many medicines are probably

Accepted Answer

A)  acids. 
B)  bases. 
C)  salts. 
D)  neutral. 
A)  acids. 
B)  bases. 
C)  salts. 
D)  neutral.

Question 2

All of the following are examples of green chemistry EXCEPT

Accepted Answer

A)  Biodiesel is made from oils that have been used for frying foods. 
B)  Polylactic acid (PL
A)  is a biodegradable plastic derived from corn. 
C)  Hydrocarbons containing only carbon and hydrogen atoms are used as a fuel source. 
D)  Glycerol from triglycerides can be used as a moisturizing agent in soaps. 
A)  Biodiesel is made from oils that have been used for frying foods. 
B)  Polylactic acid (PL
A)  is a biodegradable plastic derived from corn. 
C)  Hydrocarbons containing only carbon and hydrogen atoms are used as a fuel source. 
D)  Glycerol from triglycerides can be used as a moisturizing agent in soaps.

Question 3

A useful broad view of reactions between acids and bases involves the

Accepted Answer

A)  transfer of protons. 
B)  transfer of electrons. 
C)  conversion of protons into electrons. 
D)  ionization of atoms. 
A)  transfer of protons. 
B)  transfer of electrons. 
C)  conversion of protons into electrons. 
D)  ionization of atoms.

Question 4

List three strong acids.

Accepted Answer

The answer of List three strong acids....

Question 5

Sodium bicarbonate is the common name for what compound?

Accepted Answer

A)  sodium carbonate 
B)  sodium carbide 
C)  sodium hydrogen carbonate 
D)  sodium bismuth carbonate 
A)  sodium carbonate 
B)  sodium carbide 
C)  sodium hydrogen carbonate 
D)  sodium bismuth carbonate

Question 6

Hard water deposits (calcium carbonate) have built up around your bathroom sink. Which one of the following would be best to dissolve the deposit?

Accepted Answer

A)  ammonia 
B)  bleach 
C)  lye 
D)  vinegar 
A)  ammonia 
B)  bleach 
C)  lye 
D)  vinegar

Question 7

What is produced in an acid-base neutralization reaction?

Accepted Answer

A)  an acid 
B)  a base 
C)  a salt and water 
D)  an acid and water 
A)  an acid 
B)  a base 
C)  a salt and water 
D)  an acid and water

Question 8

A solution which has more H+ ions than OH- ions will have a pH equal to 7.

Accepted Answer

A) True 
 B)False

Question 9

A nonmetal oxide is called a(n)

Accepted Answer

A)  acidic anhydride. 
B)  basic anhydride. 
C)  neutral compound. 
D)  salt. 
A)  acidic anhydride. 
B)  basic anhydride. 
C)  neutral compound. 
D)  salt.

Question 10

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

Accepted Answer

A)  Li2O 
B)  CO2 
C)  F2 
D)  SO3 
A)  Li2O 
B)  CO2 
C)  F2 
D)  SO3

Question 11

Lime is used in farming to reduce the acidity of the soil. The chemical name for lime is calcium oxide. When water in the soil reacts with lime, what base is formed?

Accepted Answer

A)  CaO 
B)  CaOH 
C)  Ca2OH 
D)  Ca(OH)2 
A)  CaO 
B)  CaOH 
C)  Ca2OH 
D)  Ca(OH)2

Question 12

Rain with which of the following pH of values would be considered to be acid rain?

Accepted Answer

A)  9.5 
B)  9.0 
C)  7 
D)  1.5 
A)  9.5 
B)  9.0 
C)  7 
D)  1.5

Question 13

Many acid-base indicators can be extracted from fruit skins or flower petals.

Accepted Answer

A) True 
 B)False

Question 14

What acid is formed when SO3 is added to water?

Accepted Answer

A)  hydrosulfuric 
B)  hydrosulfurous 
C)  sulfuric 
D)  sulfurous 
A)  hydrosulfuric 
B)  hydrosulfurous 
C)  sulfuric 
D)  sulfurous

Question 15

A buffer solution will become much more acidic when even a small amount of a strong acid is added.

Accepted Answer

A) True 
 B)False

Question 16

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 17

What is the formula for calcium hydroxide?

Accepted Answer

A)  CaOH 
B)  Ca2OH 
C)  Ca(OH)2 
D)  CaOH2 
A)  CaOH 
B)  Ca2OH 
C)  Ca(OH)2 
D)  CaOH2

Question 18

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 19

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 20

Which of the following acids is responsible for the sour taste of yogurt?

Accepted Answer

A)  acetic 
B)  citric 
C)  lactic 
D)  phosphoric 
A)  acetic 
B)  citric 
C)  lactic 
D)  phosphoric

Exam 7: Acids and Bases

Many medicines have a bitter taste which manufacturers attempt to disguise. Many medicines are probably

All of the following are examples of green chemistry EXCEPT

A useful broad view of reactions between acids and bases involves the

List three strong acids.

Sodium bicarbonate is the common name for what compound?

Hard water deposits (calcium carbonate) have built up around your bathroom sink. Which one of the following would be best to dissolve the deposit?

What is produced in an acid-base neutralization reaction?

A solution which has more H+ ions than OH- ions will have a pH equal to 7.

A nonmetal oxide is called a(n)

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

Lime is used in farming to reduce the acidity of the soil. The chemical name for lime is calcium oxide. When water in the soil reacts with lime, what base is formed?

Rain with which of the following pH of values would be considered to be acid rain?

Many acid-base indicators can be extracted from fruit skins or flower petals.

What acid is formed when SO3 is added to water?

A buffer solution will become much more acidic when even a small amount of a strong acid is added.

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

What is the formula for calcium hydroxide?

Which substance has the highest pH?

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

Which of the following acids is responsible for the sour taste of yogurt?

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A solution which has more H⁺ ions than OH^-ions will have a pH equal to 7.

What acid is formed when SO₃ is added to water?