Question 1

Which of these was/were the first synthetic detergent designed to combat the problem of hard water?

Accepted Answer

A)  Nonionic  detergents 
B)  LAS 
C)  Cationic  detergents 
D)  ABS 
E)  LBS 
A)  Nonionic  detergents 
B)  LAS 
C)  Cationic  detergents 
D)  ABS 
E)  LBS

Question 2

Which of these substances is the active ingredient in a drain cleaner?

Accepted Answer

A)  HCl 
B)  Bleach 
C)  NaOH 
D)  Sebum 
E)  Zeolite 
A)  HCl 
B)  Bleach 
C)  NaOH 
D)  Sebum 
E)  Zeolite

Question 3

Polymers that produce water as a byproduct during their formation are known as _____.

Accepted Answer

A)  copolymers 
B)  condensation polymers 
C)  thermopolymers 
D)  addition polymers 
E)  elastomers 
A)  copolymers 
B)  condensation polymers 
C)  thermopolymers 
D)  addition polymers 
E)  elastomers

Question 4

Which of these substances is a common UV absorber found in sunscreens?

Accepted Answer

A)  Zeolite 
B)  Melanin 
C)  Sebum 
D)  PABA 
E)  Sodium lauryl sulfate 
A)  Zeolite 
B)  Melanin 
C)  Sebum 
D)  PABA 
E)  Sodium lauryl sulfate

Question 5

Which of these processes is characterized by large algae blooms and may cause death to marine life in a lake or bayou?

Accepted Answer

A)  Eutrophication 
B)  Reduction 
C)  Saponification 
D)  Emulsification 
E)  Corrosion 
A)  Eutrophication 
B)  Reduction 
C)  Saponification 
D)  Emulsification 
E)  Corrosion

Question 6

How many chemical receptors does the human nose contain?

Accepted Answer

A)  50 
B)  50,000 
C)  50,000,000 
D)  50,000,000,000 
E)  50,000,000,000,000 
A)  50 
B)  50,000 
C)  50,000,000 
D)  50,000,000,000 
E)  50,000,000,000,000

Question 7

Which of these pairs represents the two functions of a builder in detergents?

Accepted Answer

A)  Oxidize impurities in water , emulsify detergents 
B)  Reduce impurities in water , emulsify 
C)  Biodegrade waste products , oxidize  impurities 
D)  Sequester waster products , suspend soil particles 
E)  Oxidize stains, suspend soil particles 
A)  Oxidize impurities in water , emulsify detergents 
B)  Reduce impurities in water , emulsify 
C)  Biodegrade waste products , oxidize  impurities 
D)  Sequester waster products , suspend soil particles 
E)  Oxidize stains, suspend soil particles

Question 8

When nylon is produced, the small molecule lost during the condensation polymerization process is _____.

Accepted Answer

A)  ammonia 
B)  hydrogen 
C)  water 
D)  carbon dioxide 
E)  carbon 
A)  ammonia 
B)  hydrogen 
C)  water 
D)  carbon dioxide 
E)  carbon

Question 9

Which of these represent(s) characteristic(s) of ABS detergents?
I. Biodegradable
II. Branched alkyl chain
III. Cationic detergent

Accepted Answer

A)  I only 
B)  II only 
C)  I and II 
D)  I and III 
E)  II and III 
A)  I only 
B)  II only 
C)  I and II 
D)  I and III 
E)  II and III

Question 10

Small volatile molecules are responsible for the scent in the_____ note of a perfume.

Accepted Answer

A)  top 
B)  middle 
C)  bottom 
D)  lower 
A)  top 
B)  middle 
C)  bottom 
D)  lower

Question 11

Which of these substances dissolves easily in water and can be removed from fabric?

Accepted Answer

A)  Grease 
B)  Syrup 
C)  Coffee 
D)  Wine 
E)  Ink 
A)  Grease 
B)  Syrup 
C)  Coffee 
D)  Wine 
E)  Ink

Question 12

Which of these substances have been used as replacements for phosphates in laundry detergents?

Accepted Answer

A)  Sodium carbonate 
B)  Zeolites 
C)  Enzymes 
D)  Bleaches 
E)  Both a and b 
A)  Sodium carbonate 
B)  Zeolites 
C)  Enzymes 
D)  Bleaches 
E)  Both a and b

Question 13

Which of these substances are  not a component in shampoo?

Accepted Answer

A)  Cationic surfactants 
B)  Thickeners 
C)  Fragrances 
D)  Sodium lauryl sulfate 
E)  Quaternary ammonium compounds 
A)  Cationic surfactants 
B)  Thickeners 
C)  Fragrances 
D)  Sodium lauryl sulfate 
E)  Quaternary ammonium compounds

Question 14

Which of these builders forms insoluble precipitates when it reacts with the ions found in hard water?

Accepted Answer

A)  Phosphate 
B)  Sodium carbonate 
C)  Enzyme 
D)  Zeolite 
E)  Sodium tripolyphosphate 
A)  Phosphate 
B)  Sodium carbonate 
C)  Enzyme 
D)  Zeolite 
E)  Sodium tripolyphosphate

Question 15

Which of these statements about deodorants is incorrect ?

Accepted Answer

A)  Deodorants contain antibacterial substances. 
B)  Deodorants function by killing the bacteria that cause odor. 
C)  Deodorants reduce the amount of perspiration that a sweat gland produces. 
D)  Deodorants are designed to mask or eliminate body odor. 
E)  Deodorants mostly contain the chemical compound called triclosan. 
A)  Deodorants contain antibacterial substances. 
B)  Deodorants function by killing the bacteria that cause odor. 
C)  Deodorants reduce the amount of perspiration that a sweat gland produces. 
D)  Deodorants are designed to mask or eliminate body odor. 
E)  Deodorants mostly contain the chemical compound called triclosan.

Question 16

Which of these interactions that hold hair strands together is/are pH sensitive?
I. A salt bridge
II. A hydrogen bond
III. A disulfide linkage

Accepted Answer

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

Question 17

LAS detergents decompose over time forming _____, _____, and H2O.

Accepted Answer

A)  Na+; NO3− 
B)  CH4; Ca2+ 
C)  CO2; SO42− 
D)  NH3; SO3− 
E)  Mg2+; CO 
A)  Na+; NO3− 
B)  CH4; Ca2+ 
C)  CO2; SO42− 
D)  NH3; SO3− 
E)  Mg2+; CO

Question 18

PVC stands for polyvinyl _____.

Accepted Answer

A)  carbon 
B)  carbonate 
C)  calcium 
D)  cations 
E)  chloride 
A)  carbon 
B)  carbonate 
C)  calcium 
D)  cations 
E)  chloride

Question 19

Which of these is/are characteristic(s) of a soap?
I. It acts at surfaces.
II. It contains a polar ionic head.
III. Micelles of a soap are neutral and therefore react with grease effectively.

Accepted Answer

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

Question 20

Which of these statements about hair is incorrect ?

Accepted Answer

A)  Protein strands in hair are dissolvable in NaOH. 
B)  Hair is primarily composed of proteins. 
C)  Hair strands interact via hydrogen bonds, disulfide linkages, and salt bridges. 
D)  Hydrogen bonds are modified in wet and dry hair to induce curling. 
E)  Hair is sensitive to pH because of the presence of hydrogen bonds. 
A)  Protein strands in hair are dissolvable in NaOH. 
B)  Hair is primarily composed of proteins. 
C)  Hair strands interact via hydrogen bonds, disulfide linkages, and salt bridges. 
D)  Hydrogen bonds are modified in wet and dry hair to induce curling. 
E)  Hair is sensitive to pH because of the presence of hydrogen bonds.

Which of these was/were the first synthetic detergent designed to combat the problem of hard water?

Which of these substances is the active ingredient in a drain cleaner?

Polymers that produce water as a byproduct during their formation are known as _____.

Which of these substances is a common UV absorber found in sunscreens?

Which of these processes is characterized by large algae blooms and may cause death to marine life in a lake or bayou?

How many chemical receptors does the human nose contain?

Which of these pairs represents the two functions of a builder in detergents?

When nylon is produced, the small molecule lost during the condensation polymerization process is _____.

Which of these represent(s) characteristic(s) of ABS detergents? I. Biodegradable II. Branched alkyl chain III. Cationic detergent

Small volatile molecules are responsible for the scent in the_____ note of a perfume.

Which of these substances dissolves easily in water and can be removed from fabric?

Which of these substances have been used as replacements for phosphates in laundry detergents?

Which of these substances are not a component in shampoo?

Which of these builders forms insoluble precipitates when it reacts with the ions found in hard water?

Which of these statements about deodorants is incorrect ?

Which of these interactions that hold hair strands together is/are pH sensitive? I. A salt bridge II. A hydrogen bond III. A disulfide linkage

LAS detergents decompose over time forming _, _, and H₂O.

PVC stands for polyvinyl _____.

Which of these is/are characteristic(s) of a soap? I. It acts at surfaces. II. It contains a polar ionic head. III. Micelles of a soap are neutral and therefore react with grease effectively.

Which of these statements about hair is incorrect ?

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

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology Online Only

Filters

Exam 15: The Chemistry of Household Products

Which of these was/were the first synthetic detergent designed to combat the problem of hard water?

Which of these substances is the active ingredient in a drain cleaner?

Polymers that produce water as a byproduct during their formation are known as _____.

Which of these substances is a common UV absorber found in sunscreens?

Which of these processes is characterized by large algae blooms and may cause death to marine life in a lake or bayou?

How many chemical receptors does the human nose contain?

Which of these pairs represents the two functions of a builder in detergents?

When nylon is produced, the small molecule lost during the condensation polymerization process is _____.

Which of these represent(s) characteristic(s) of ABS detergents? I. Biodegradable II. Branched alkyl chain III. Cationic detergent

Small volatile molecules are responsible for the scent in the_____ note of a perfume.

Which of these substances dissolves easily in water and can be removed from fabric?

Which of these substances have been used as replacements for phosphates in laundry detergents?

Which of these substances are not a component in shampoo?

Which of these builders forms insoluble precipitates when it reacts with the ions found in hard water?

Which of these statements about deodorants is incorrect ?

Which of these interactions that hold hair strands together is/are pH sensitive? I. A salt bridge II. A hydrogen bond III. A disulfide linkage

LAS detergents decompose over time forming _____, _____, and H2O.

PVC stands for polyvinyl _____.

Which of these is/are characteristic(s) of a soap? I. It acts at surfaces. II. It contains a polar ionic head. III. Micelles of a soap are neutral and therefore react with grease effectively.

Which of these statements about hair is incorrect ?

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

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology Online Only

Filters

LAS detergents decompose over time forming _, _, and H₂O.