Chemistry Exam-C

Question 1

Hair consists of 97%:

Accepted Answer

Keratin

Question 2

Calamine lotion would fall under which cosmetic classification?

Accepted Answer

Suspension

Question 3

A pH of 5 is how many more times acidic than a pH of 6?

Accepted Answer

10

Question 4

If the pH of a shampoo is too alkaline (or too acidic), the hair fiber can:

Accepted Answer

Swell

Question 5

Which bonds found in the hair can be easily broken by heat or water?

Accepted Answer

Hydrogen Bonds

Question 6

Which of the following shampoos would NOT be used for chemically treated or damaged hair?

Accepted Answer

Plain Shampoo

Question 7

The type of rinse used to control minor dandruff and scalp conditions is a:

Accepted Answer

Medicated Rinse

Question 8

In the process of making a cup of instant hot cocoa, what would the dry cocoa represent?

Accepted Answer

Solute

Question 9

A conditioner ingredient that gives dry hair a smooth feel and makes hair easier to comb is:

Accepted Answer

Fatty Alcohols

Question 10

What is the name given to purifying water by passing it through a porous substance?

Accepted Answer

Filtration

Question 11

Neutrons have which type of electrical charge?

Accepted Answer

None

Question 12

Which conditioners have a vegetable oil base, acidic pH and are not recommended for fine or limp hair?

Accepted Answer

Instant

Question 13

What does the manufacturer provide that is the best source of specific information about a product?

Accepted Answer

SDS

Question 14

What is created when amino acids join together in chains?

Accepted Answer

Proteins

Question 15

How far can healthy hair be stretched without breaking when wet?

Accepted Answer

0.5

Question 16

When two hydrogen atoms combine with one oxygen atom, the result is a water molecule, which is a(n):

Accepted Answer

Compound

Question 17

Putting a sodium hydroxide relaxer under a hair dryer:

Accepted Answer

Could break the critical peptide bonds and destroy the protein structure

Question 18

Basic substances that cannot be broken down into simpler substances are called:

Accepted Answer

Elements

Question 19

What product adheres to the hair shaft, even after ordinary rinsing, leaving hair easier to comb and handle?

Accepted Answer

Cream Rinse

Question 20

Which conditioner will penetrate into the damaged hair shaft and deposit proteins into the cortex?

Accepted Answer

Body-Building Conditioner

Question 21

The bonds found within hair that help organize protein chains in order to build hair are called:

Accepted Answer

Side Bonds

Question 22

Two or more of the same atoms joined together by a chemical bond is a(n):

Accepted Answer

Molecule

Question 23

An example of an oil-in-water emulsion is:

Accepted Answer

Perm Solution

Question 24

Which of the following terms means liquids not able to be mixed?

Accepted Answer

Immiscable

Question 25

A mixture of secretions from the sebaceous glands and perspiration from the sweat glands is called the:

Accepted Answer

Acid Mantle

Question 26

Active ingredients in rinses such as benzalkonium chloride, lauryl isoquinolinium bromide and polysorbate leave the hair

Accepted Answer

Lustrous and Manageable

Question 27

A shampoo type generally recommended for clients who are bedridden and cannot wet their hair is known as:

Accepted Answer

Non-Areosol Powder Dry Shampoo

Question 28

The scientific study of matter and the physical and chemical changes of matter is known as:

Accepted Answer

Chemistry

Question 29

Matter with definite weight but indefinite volume and shape is called:

Accepted Answer

A Gas

Question 30

Shampoo containing additives to improve tensile strength, elasticity and porosity of the hair is:

Accepted Answer

Conditioning Shampoo

Question 31

In what pH range is skin and hair?

Accepted Answer

4.5 to 5.5

Question 32

Amino acids that create proteins are linked together end to end by:

Accepted Answer

Peptide Bonds

Question 33

pH balanced refers to a product that ranges from a pH of:

Accepted Answer

4.5 to 5.5

Question 34

The term used to identify anything that occupies space and has weight is called:

Accepted Answer

Matter

Question 35

Electrons have which type of electrical charge?

Accepted Answer

Negative

Question 36

Atoms that are different form a(n):

Accepted Answer

Compound

Question 37

All matter that is not alive, has never beenalive, and does not contain carbon, falls within the study of:

Accepted Answer

Inorganic Chemistry

Question 38

Which of the following classifications would identify emulsions that are generally used in the cosmetology industry?

Accepted Answer

Oil-in-Water Emulsion

Question 39

The oil-loving part of a surface active agent is called:

Accepted Answer

Lipophilic

Question 40

Alkalis tend to taste:

Accepted Answer

Bitter

Question 41

Most ingredients for conditioners are proteins derived from:

Accepted Answer

Animal or Vegetable Materials

Question 42

What makes up the primary composition of hair?

Accepted Answer

Keratin

Question 43

Mixtures of organic substances and a medicinal agent are:

Accepted Answer

Ointments

Question 44

Water molecules have two hydrogen atoms and one:

Accepted Answer

Oxygen Atom

Question 45

The ability of hair to absorb moisture, liquids or chemicals refers to the hair&#x27;s:

Accepted Answer

Porosity

Question 46

Which of the following descriptions identifies shampoos for thinning hair?

Accepted Answer

Do not cause damage or weigh the hair down

Question 47

Humectants are what type of ingredients?

Accepted Answer

Moisturizing

Question 48

Substances of acidic or alkaline nature dissolve in water and/or contain:

Accepted Answer

Water

Question 49

What is the pH range of hair, skin and nails?

Accepted Answer

4.5 to 5.5

Question 50

When a solution has an equal number of hydrogen and hydroxide ions, the solution is considered:

Accepted Answer

Neutral

Chemistry Exam-C

Questions 50

Chemistry Exam-C

Questions 50