CHEMISTRY

Question 1

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

Accepted Answer

body-building

Question 2

What color does red litmus paper turn when placed in an alkali?

Accepted Answer

blue

Question 3

The chemical symbol for carbon is:

Accepted Answer

C

Question 4

Carbon, oxygen, hydrogen and nitrogen form the basis of:

Accepted Answer

amino acids

Question 5

Alkalis tend to taste:

Accepted Answer

bitter

Question 6

The simplest atomic structure is:

Accepted Answer

hydrogen

Question 7

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

Accepted Answer

immiscible

Question 8

When amino acids combine to form the protein of the hair:

Accepted Answer

they take on a spiraling configuration

Question 9

Which of the following characteristics identifies a pH-balanced shampoo?

Accepted Answer

able to return the hair to 4.5 to 5.5 on the pH scale

Question 10

Atoms have three main parts: protons, neutrons and:

Accepted Answer

electrons

Question 11

A solution that has more positive hydrogen ions than negative hydroxide ions is:

Accepted Answer

acidic

Question 12

Distilled water with a pH of 7 is considered:

Accepted Answer

neutral

Question 13

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

Accepted Answer

solute

Question 14

Acids tend to taste:

Accepted Answer

sour

Question 15

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

Accepted Answer

SDS

Question 16

Which shampoo would most likely be used to remove product buildup?

Accepted Answer

clarifying shampoo

Question 17

In what pH range is skin and hair?

Accepted Answer

4.5 - 5.5

Question 18

Which of the following statements describes how human hair is formed?

Accepted Answer

bonding of protein chains to other protein chains

Question 19

Water molecules have two hydrogen atoms and one:

Accepted Answer

oxygen atom

Question 20

Which of the following conditions is an example of chemical change?

Accepted Answer

oxygen and hydrogen combining to form water

Question 21

What color does blue litmus paper turn when placed in an acid?

Accepted Answer

red

Question 22

The most accurate method of measuring pH is with:

Accepted Answer

pH meter

Question 23

What is the side bond that is of the greatest concern to the salon professional?

Accepted Answer

disulfide bond

Question 24

All matter that is now living or was alive at one time, with carbon present, falls within the scientific division of:

Accepted Answer

organic chemistry

Question 25

Electrons have which type of electrical charge?

Accepted Answer

negative

Question 26

Humectants are what type of ingredients?

Accepted Answer

moisturizing

Question 27

Hair consists of 97%:

Accepted Answer

keratin

Question 28

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

Accepted Answer

acid mantle

Question 29

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

Accepted Answer

4.5-5.5

Question 30

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

Accepted Answer

swell

Question 31

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

Accepted Answer

molecule

Question 32

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

Accepted Answer

perm solution

Question 33

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

Accepted Answer

plain

Question 34

Calamine lotion would fall under which cosmetic classification?

Accepted Answer

suspension

Question 35

Why is it sometimes recommended to add heat during the process when working with conditioners?

Accepted Answer

to open the cuticle

Question 36

Benzalkonium chloride, lauryl isoquinolinium bromide and polysorbate leave the hair:

Accepted Answer

lustrous and manageable

Question 37

On the pH scale, numbers greater than 7 indicate a(n):

Accepted Answer

alkaline solution

Question 38

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

Accepted Answer

medicated rinse

Question 39

Protons have which type of electrical charge?

Accepted Answer

positive

Question 40

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

Accepted Answer

50%

Question 41

Putting a sodium hydroxide relaxer under a hair dryer:

Accepted Answer

could break peptide bonds and destroy the protein structure

Question 42

Rinses, which affect mostly the surface of the hair:

Accepted Answer

can be detrimental if allowed to build up on the hair

Question 43

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

Accepted Answer

lipophilic

Question 44

What is used for hair that has been damaged by strong alkaline shampoos, chemicals or heat styling?

Accepted Answer

conditioner

Question 45

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

Accepted Answer

water

Question 46

What is created when amino acids join together in chains?

Accepted Answer

proteins

Question 47

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

Accepted Answer

compound

Question 48

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

Accepted Answer

matter

Question 49

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

Accepted Answer

neutral

Question 50

All of the following statements regarding pH are true EXCEPT:

Accepted Answer

values below 7 indicate more alkalinity

Question 51

On the pH scale, numbers less than 7 indicate a(n):

Accepted Answer

acidic solution

Question 52

A mixture of two or more kinds of molecules, evenly dispersed, would be a(n):

Accepted Answer

solution

Question 53

Mixtures of organic substances and a medicinal agent are:

Accepted Answer

ointments

Question 54

Atoms that are the same form a(n):

Accepted Answer

element

Question 55

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

Accepted Answer

10

CHEMISTRY

Questions 55

CHEMISTRY

Questions 55