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Cosmology Chemistry
Cosmology Chemistry
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1
Calamine lotion would fall under which cosmetic classification?
emulsion
ointment
solution
suspension
2
What is used for hair that has been damaged by strong alkaline shampoos, chemicals or heat styling?
conditioner
vinegar rinse
medicated rinse
cream rinse
3
The ability of hair to absorb moisture, liquids or chemicals refers to the hair’s:
elasticity
texture
porosity
manageability
4
A shampoo type generally recommended for clients who are bedridden and cannot wet their hair is known as:
anti-dandruff
conditioning shampoo
non-aerosol powder dry shampoo
soapless shampoo
5
A pH of 5 is how many more times acidic than a pH of 6?
100
1000
10
1.5
6
Atoms have three main parts: protons, neutrons and:
elements
neutrons
electrons
compounds
7
Atoms that are the same form a(n):
compound
element
mixture
emulsion
8
Using a conditioner would help achieve all of the following results EXCEPT:
protect against further damage
alter the way the hair behaves
increase new hair growth
fortify damaged areas
9
The oil-loving part of a surface active agent is called:
emulsifier
lipophilic
surfactant
hydrophilic
10
Which of the following descriptions identifies shampoos for thinning hair?
obtained with a prescription
able to add weight to hair
usually strong and contain a high alkaline or soap base
do not cause damage or weigh the hair down
11
All matter that is now living or was alive at one time, with carbon present, falls within the scientific division of:
physics
inorganic chemistry
organic chemistry
anatomy
12
When two hydrogen atoms combine with one oxygen atom, the result is a water molecule, which is a(n):
atom
element
compound
mixture
13
Which shampoo contains temporary color molecules that adhere to the outer cuticle of the hair and deposit color?
color shampoo
all-purpose shampoo
soapless shampoo
acid-balanced shampoo
14
A conditioner ingredient that gives dry hair a smooth feel and makes hair easier to comb is:
fatty alcohols
amines/quats
dimethicones
hydrogen peroxide
15
A form of silicone used in conditioners that give softness to the feel of hair without weighting it down is known as:
dimethicones
hydrogen peroxide
fatty alcohols
amines/quats
16
Rinses, which affect mostly the surface of the hair:
repair broken bonds of the hair
can be detrimental if allowed to build up on the hair
are usually left on hair for 30 minutes before removing
usually penetrate deep into the hair
17
Putting a sodium hydroxide relaxer under a hair dryer:
could break the critical peptide bonds and destroy the protein structure
will increase the hair’s amino acid content
could turn into van der Waals forces
will link together all protein groups
18
The instructions on a product state to shake well before use, which indicates the product is a(n):
suspension
solution
ointment
emulsion
19
Matter with definite weight, volume and shape is known as:
matter
a gas
a solid
organic
20
A substance that is able to dissolve another substance is called a(n):
powder
ointment
emulsion
solvent
21
Carbon, nitrogen, oxygen and hydrogen form the basis of:
compounds
amino acids
mixtures
elements
22
The simplest atomic structure is:
oxygen
hydrogen
carbon
sulfur
23
Why is chlorine added to the water purification process?
to add minerals
to add blue color
to kill bacteria
to add lather
24
Humectants are what type of ingredients?
promote dryness
body-building
add oil
moisturizing
25
Water freezing and becoming ice is an example of what type of change?
elemental
chemical
physical
molecular
26
Acids tend to taste:
bitter
salty
sour
sweet
27
Protons have which type of electrical charge?
Positive
Negative
Neutral
None
28
Matter with definite weight but indefinite volume and shape is called:
organic
a liquid
a gas
a solid
29
The type of rinse used to control minor dandruff and scalp conditions is a:
cream rinse
vinegar and lemon rinse
medicated rinse
conditioning rinse
30
On the pH scale, numbers less than 7 indicate a(n):
alkaline solution
chemical solution
acidic solution
neutral solution
31
Neutrons have which type of electrical charge?
none
chemical
positive
negative
32
What is the name given to purifying water by passing it through a porous substance?
filtration
sedimentation
hydrophilic
emulsion
33
Amino acids that create proteins are linked together end to end by
peptide bonds
side bonds
salt bonds
alkaline bonds
34
Electrons have which type of electrical charge?
none
neutral
positive
negative
35
Shampoo containing additives to improve tensile strength, elasticity and porosity of the hair is:
color shampoo
conditioning shampoo
powder dry shampoo
liquid dry shampoo
36
What is the side bond that is of the greatest concern to the salon professional?
Disulfide bond
Salt bond
Van der waals forces
Hydrogen bond
37
Which of the following items has/have definite weight and volume but no definite shape?
Conditioners, solutions and shampoos
Ice cube
Oxygen
Hair
38
A mixture of two or more kinds of molecules, evenly dispersed, would be a(n):
emulsion
solution
combination
suspension
39
What is the pH range of hair, skin and nails?
7.5 to 10.5
11.5 to 12.0
4.5 to 5.5
6.5 to 7.0
40
Which of the following shampoo types is designed to treat scalp and hair problems or disorders?
color shampoo
medicated shampoo
anti-dandruff shampoo
powder dry shampoo
41
A solution that has more positive hydrogen ions than negative hydroxide ions is:
neutral
slightly alkaline
acidic
alkaline
42
Which of the following is NOT an example of a physical change?
performing a thermal style
shattering a piece of glass
iron changing to rust
performing a haircut
43
Which of the following statements about surfactants is NOT true?
contains a hydrophilic part
prevents shampoo from lathering
contains a lipophilic part
used to remove oil from the hair
44
What is formed when two or more immiscible substances are united with the help of a binder?
powder
emulsion
solution
ointment
45
Hair consists of 97%:
electrons
keratin
trace minerals
protons
46
Most ingredients for conditioners are proteins derived from:
animal or vegetable materials
soft water
lemon rinses
cream rinses
47
A substance that is able to dissolve another substance is called a(n):
powder
ointment
emulsion
solvent
48
The bonds found within hair that help organize protein chains in order to build hair are called:
ionic bonds
van der Waals forces
water bonds
side bonds
49
……
dilute solution
solvent solution
saturated solution
concentrated solution
50
In the process of making a cup of instant hot cocoa, what would the dry cocoa represent?
solvent
solute
a dilute solution
a concentrated solution
51
Water molecules have two hydrogen atoms and one:
sulfur atom
helium atom
oxygen atom
nitrogen atom
52
Which bonds found in the hair can be easily broken by heat or water?
peptide bonds
hydrogen bonds
disulfide bonds
van der Waals forces
53
Which conditioners have a vegetable oil base, acidic pH and are not recommended for fine or limp hair?
moisturizing
instant
normalizing
body building
54
…..
soaps
powders
ointments
suspensions
55
What color does blue litmus paper turn when placed in an acid?
orange
red
white
green
56
Which of the following classifications would identify emulsions that are generally used in the cosmetology industry?
oil-in-water emulsion
loose particles
water-in-oil emulsion
deodorant
57
Atoms that are different form a(n):
element
compound
emulsion
mixture
58
pH balanced refers to a product that ranges from a pH of:
4.5 to 5.5
6.5 to 7.0
11.5 to 12.0
7.5 to 10.5
59
Distilled water with a pH of 7 is considered:
neutral
a salt
an acid
an alkali
60
Which of the following terms means liquids not able to be mixed?
solvent
miscible
solution
immiscible
61
What product adheres to the hair shaft, even after ordinary rinsing, leaving hair easier to comb and handle?
vinegar rinse
conditioner
cream rinse
medicated rinse
62
Two or more of the same atoms joined together by a chemical bond is a(n):
protein
molecule
electron
neutron
63
The most accurate method of measuring pH is with:
indicator paper
indicator liquid
pH paper
a pH meter
64
Substances of acidic or alkaline nature dissolve in water and/or contain:
water
carbon
hydrogen
salt
65
When amino acids combine to form the protein of the hair:
they form a new amino acid group
they take on a spiraling configuration
the hair’s amino acid content will increase
the hair’s amino acid content will decrease
66
Which of the following statements describes how human hair is formed?
bonding of protein chains to other protein chains
salt bonds connect to amino acids
hydrogen bonds create a chemical change
amino acids cause a simple physical change
67
What is created when amino acids join together in chains?
elements
compounds
proteins
chemicals
68
Which conditioner will penetrate into the damaged hair shaft and deposit proteins into the cortex?
body-building conditioner
normalizing conditioner
instant conditioner
moisturizing conditioner
69
The term used to identify anything that occupies space is called:
matter
gas
a solid
organic
70
The atomic number of a particular element indicates:
the number of neutrons in a single atom
the number of electrons in a single atom
the number of protons in a single atom
the number of atoms in a single element
71
Which of the following cosmetic classifications represents a mixture of two or more kinds of molecules evenly dispersed?
suspension
emulsion
solution
ointment
72
A mixture of secretions from the sebaceous glands and perspiration from the sweat glands is called the:
active agent
surfactant
acid mantle
hydrophilic
73
Which of the following characteristics identifies a pH-balanced shampoo?
has a higher alkalinity in order to remove chlorine, minerals
able to return the hair to a neutral 7 on the pH scale
able to return the hair to 4.5 to 5.5 on the pH scale
contains ingredients to treat scalp and hair problems or disorders
74
Which shampoo would most likely be used to remove product buildup?
powder dry shampoo
clarifying shampoo
conditioning shampoo
thinning hair shampoo
75
Basic substances that cannot be broken down into simpler substances are called:
solids
elements
compounds
molecules
76
An ingredient found in conditioners making hair easier to comb and control static is:
dimethicones
hydrogen peroxide
amines/quats
fatty alcohols
77
The scientific study of matter and the physical and chemical changes of matter is known as:
physics
psychology
chemistry
anatomy
78
The chemical symbol for carbon is:
Cb
Co
C
Ca
79
What does the manufacturer provide that is the best source of specific information about a product?
SDS
USP
FDA
EPA
80
All of the following statements regarding pH are true EXCEPT:
pH is a unit of measurement that indicates weather a substance is acidic, n
values below 7 indicate more acidity
values below 7 indicate more alkalinity
7 indicates a neutral substance
81
Mixtures of two or more kinds of molecules, having a tendency to separate when left standing, are known as:
suspensions
solutions
emulsions
ointments
82
When a solution has an equal number of hydrogen and hydroxide ions, the solution is considered:
neutral
positive
negative
acidic
83
If the pH of a shampoo is too alkaline (or too acidic), the hair fiber can:
loosen
appear healthier
become compact
swell
84
Which type of bond does number 3 represent on the illustrated protein chain?
hydrogen bond
salt bond
van der Waals forces
disulfide bond
85
Which of the following shampoos would NOT be used for chemically treated or damaged hair?
all-purpose shampoo
acid-balanced shampoo
non-stripping shampoo
plain shampoo
86
What makes up the primary composition of hair?
protons
electrons
keratin
trace minerals
87
Mixtures of organic substances and a medicinal agent are:
solutions
suspensions
ointments
emulsions
88
How far can healthy hair be stretched without breaking when wet?
0.75
0.5
0.1
0.3
89
An acid rinse (pH of 2-3) designed to dissolve soap scum, untangle and separate hair and add sheen is a:
conditioner
medicated rinse
vinegar rinse
cream rinse
90
How far can healthy hair be stretched without breaking when wet?
10%
50%
75%
30%
91
Stretching the hair and having it return to its natural shape without breaking is associated with the hair’s:
elasticity
porosity
texture
manageability
92
The primary ingredient of most shampoos is:
conditioner
dimethicones
minerals
deionized water
93
An example of an oil-in-water emulsion is:
lipstick
blush
styling lotion
perm solution
94
Why is it sometimes recommended to add heat during the process when working with conditioners?
to close the cuticle
to strengthen the cuticle
to open the cuticle
to loosen the cuticle
95
Hair comprises two solids which are carbon and sulfur and three gases which are hydrogen, nitrogen and:
propane
neon
helium
oxygen
96
Which of the following conditions is an example of chemical change?
oxygen and hydrogen combining to form water
water to ice
water to steam
raindrops turning to snow
97
Alkalis tend to taste:
bitter
salty
sour
sweet
98
What color does red litmus paper turn when placed in an alkali?
orange
green
blue
white
99
Which bond is the backbone of all protein molecules?
hydrogen
keratin
salt
peptide