Question 1

A middle note in a perfume is due to molecules that are _______ and ______volatile than molecules that produce top notes in a perfume.

Accepted Answer

A) smaller, more 
B) smaller, less 
C) larger, more 
D) larger, less 
A) smaller, more 
B) smaller, less 
C) larger, more 
D) larger, less

Question 2

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

Accepted Answer

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

Question 3

Which of these is not a problem associated with soap in hard water?

Accepted Answer

A) Nonbiodegrable products 
B) Expensive 
C) Formation of curd 
D) Decreased effectiveness of soap 
E) Both A and B are not problems. 
A) Nonbiodegrable products 
B) Expensive 
C) Formation of curd 
D) Decreased effectiveness of soap 
E) Both A and B are not problems.

Question 4

Which of these represent(s)characteristic(s)of LAS detergents but not of ABS detergents?
I. Biodegradable
II. Branched alkyl chain
III. Anionic 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 5

Which of these was the primary problem with alkylbenzenesufonates (ABS)detergents?

Accepted Answer

A) Nonbiodegradable 
B) Expensive 
C) Limited effectiveness 
D) Formation of curd 
E) None of these 
A) Nonbiodegradable 
B) Expensive 
C) Limited effectiveness 
D) Formation of curd 
E) None of these

Question 6

Which of these statements about deodorants is incorrect ?

Accepted Answer

A) Deodorants contain antibacterial substances. 
B) Deodorants function by killing off 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) All of these statements are correct. 
A) Deodorants contain antibacterial substances. 
B) Deodorants function by killing off 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) All of these statements are correct.

Question 7

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 8

Which of these substances is used to oxidize tough stains on fabrics?

Accepted Answer

A) Grease 
B) Surfactant 
C) Polymers 
D) Micelles 
E) Bleach 
A) Grease 
B) Surfactant 
C) Polymers 
D) Micelles 
E) Bleach

Question 9

A polymer that softens when heated or hardens when cooled is known as a(n)____.

Accepted Answer

A) copolymer 
B) thermoplastic 
C) condensation polymer 
D) addition polymer 
E) elastomer 
A) copolymer 
B) thermoplastic 
C) condensation polymer 
D) addition polymer 
E) elastomer

Question 10

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

Accepted Answer

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

Question 11

What is the primary function of a builder in laundry detergents?

Accepted Answer

A) Act as an emulsifying agent 
B) Attack grease and other nonpolar stains 
C) Remove hard water ions like Mg2+ and Ca2+ 
D) Increase the effectiveness of surfactant oxidation 
E) Accelerate the natural biodegrading of the surfactant 
A) Act as an emulsifying agent 
B) Attack grease and other nonpolar stains 
C) Remove hard water ions like Mg2+ and Ca2+ 
D) Increase the effectiveness of surfactant oxidation 
E) Accelerate the natural biodegrading of the surfactant

Question 12

Which of the following is most likely to be found in the monomer of an addition polymer?

Accepted Answer

A) An alcohol group 
B) A carbon to carbon double bond 
C) A nitrogen atom 
D) A carbon to oxygen double bond 
E) None of the above 
A) An alcohol group 
B) A carbon to carbon double bond 
C) A nitrogen atom 
D) A carbon to oxygen double bond 
E) None of the above

Question 13

Which of these statements about hair is incorrect ?

Accepted Answer

A) Hair can be dissolved by NaOH. 
B) Hair is primarily composed of proteins. 
C) Hair strands interact via hydrogen bonds, disulfide linkages, and salt bridges. 
D) Hydrogen bonds are manipulated in wet and dry hair to induce curling. 
E) None of the above. 
A) Hair can be dissolved by NaOH. 
B) Hair is primarily composed of proteins. 
C) Hair strands interact via hydrogen bonds, disulfide linkages, and salt bridges. 
D) Hydrogen bonds are manipulated in wet and dry hair to induce curling. 
E) None of the above.

Question 14

Which of these substances is not a component in shampoo?

Accepted Answer

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

Question 15

Which of these substances is not found in ordinary laundry detergent?

Accepted Answer

A) Bleaches 
B) Sebum 
C) Enzymes 
D) Zeolites 
E) Builders 
A) Bleaches 
B) Sebum 
C) Enzymes 
D) Zeolites 
E) Builders

Question 16

Which of these classes of polymers describe(s)polyethylene?
I. Thermoplastic
II. Copolymer
III. Addition polymer

Accepted Answer

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

Question 17

Which of these processes occur(s)when phosphates are introduced into natural waters?
I. Fish and marine life may undergo mutation.
II. Fertilized algae grows into extremely large blooms.
III. A large number of oxidation reactions deplete the oxygen supply.

Accepted Answer

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

Question 18

Which of these substances can be used to lighten hair?

Accepted Answer

A) Hydrogen peroxide 
B) Melanin 
C) Phaeomelanin 
D) Surfactants 
E) Builders 
A) Hydrogen peroxide 
B) Melanin 
C) Phaeomelanin 
D) Surfactants 
E) Builders

Question 19

Which of these substances contain sodium ions that exchange places with the calcium ions in hard water?

Accepted Answer

A) Phosphates 
B) Sodium carbonate 
C) Zeolites 
D) Bleaches 
E) Sodium tripolyphosphate 
A) Phosphates 
B) Sodium carbonate 
C) Zeolites 
D) Bleaches 
E) Sodium tripolyphosphate

Question 20

Which of these classes of polymers best describes rubber?

Accepted Answer

A) Copolymer 
B) Condensation polymer 
C) Thermopolymer 
D) Addition polymer 
E) Elastomer 
A) Copolymer 
B) Condensation polymer 
C) Thermopolymer 
D) Addition polymer 
E) Elastomer

A middle note in a perfume is due to molecules that are _ and volatile than molecules that produce top notes in a perfume.

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

Which of these is not a problem associated with soap in hard water?

Which of these represent(s)characteristic(s)of LAS detergents but not of ABS detergents? I. Biodegradable II. Branched alkyl chain III. Anionic detergent

Which of these was the primary problem with alkylbenzenesufonates (ABS)detergents?

Which of these statements about deodorants is incorrect ?

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

Which of these substances is used to oxidize tough stains on fabrics?

A polymer that softens when heated or hardens when cooled is known as a(n)____.

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

What is the primary function of a builder in laundry detergents?

Which of the following is most likely to be found in the monomer of an addition polymer?

Which of these statements about hair is incorrect ?

Which of these substances is not a component in shampoo?

Which of these substances is not found in ordinary laundry detergent?

Which of these classes of polymers describe(s)polyethylene? I. Thermoplastic II. Copolymer III. Addition polymer

Which of these processes occur(s)when phosphates are introduced into natural waters? I. Fish and marine life may undergo mutation. II. Fertilized algae grows into extremely large blooms. III. A large number of oxidation reactions deplete the oxygen supply.

Which of these substances can be used to lighten hair?

Which of these substances contain sodium ions that exchange places with the calcium ions in hard water?

Which of these classes of polymers best describes rubber?

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

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Exam 15: The Chemistry of Household Products

A middle note in a perfume is due to molecules that are _______ and ______volatile than molecules that produce top notes in a perfume.

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

Which of these is not a problem associated with soap in hard water?

Which of these represent(s)characteristic(s)of LAS detergents but not of ABS detergents? I. Biodegradable II. Branched alkyl chain III. Anionic detergent

Which of these was the primary problem with alkylbenzenesufonates (ABS)detergents?

Which of these statements about deodorants is incorrect ?

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

Which of these substances is used to oxidize tough stains on fabrics?

A polymer that softens when heated or hardens when cooled is known as a(n)____.

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

What is the primary function of a builder in laundry detergents?

Which of the following is most likely to be found in the monomer of an addition polymer?

Which of these statements about hair is incorrect ?

Which of these substances is not a component in shampoo?

Which of these substances is not found in ordinary laundry detergent?

Which of these classes of polymers describe(s)polyethylene? I. Thermoplastic II. Copolymer III. Addition polymer

Which of these processes occur(s)when phosphates are introduced into natural waters? I. Fish and marine life may undergo mutation. II. Fertilized algae grows into extremely large blooms. III. A large number of oxidation reactions deplete the oxygen supply.

Which of these substances can be used to lighten hair?

Which of these substances contain sodium ions that exchange places with the calcium ions in hard water?

Which of these classes of polymers best describes rubber?

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

Filters

A middle note in a perfume is due to molecules that are _ and volatile than molecules that produce top notes in a perfume.