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Nampa 102 Chemistry Flashcards | StudBud
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Nampa 102 Chemistry
Nampa 102 Chemistry
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1
What is created when amino acids join together in chains?
elements
compounds
proteins
chemicals
2
In the process of making a cup of instant hot cocoa, what would the dry cocoa represent?
solvent
a dilute solution
solute
a concentrated solution
3
Which conditioner will penetrate into the damaged hair shaft and deposit proteins into the cortex?
instant conditioner
body-building conditioner
moisturizing conditioner
normalizing conditioner
4
What is the name given to purifying water by passing it through a porous substance?
filtration
sedimentation
emulsion
hydrophilic
5
All of the following statements regarding pH are true EXCEPT:
values below 7 indicate more acidity
7 indicates a neutral substance
measurement whether a substance is acidic, neutral or alkaline
values below 7 indicate more alkalinity
6
Which of the following is NOT an example of a physical change?
performing a haircut
performing a thermal style
shattering a piece of glass
iron changing to rust
7
Mixtures of fats and oils converted to fatty acids by heat and then purified, fall under which classification?
suspensions
ointments
soaps
powders
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 primary ingredient of most shampoos is:
conditioner
minerals
deionized water
dimethicones
10
Basic substances that cannot be broken down into simpler substances are called:
molecules
elements
compounds
solids
11
The term used to identify anything that occupies space and has weight is called:
matter
a solid
a gas
organic
12
In what pH range is skin and hair?
6.5 to 7.0
7.5 to 10.5
11.5 to 12.0
4.5 to 5.5
13
Which shampoo contains temporary color molecules that adhere to the outer cuticle of the hair and deposit color?
acid-balanced shampoo
all-purpose shampoo
color shampoo
soapless shampoo
14
An example of an oil-in-water emulsion is:
blush
lipstick
styling lotion
perm solution
15
Which of the following statements describes how human hair is formed?
amino acids cause a simple physical change
bonding of protein chains to other protein chains
hydrogen bonds create a chemical change
salt bonds connect to amino acids
16
Distilled water with a pH of 7 is considered:
neutral
an alkali
a salt
an acid
17
Atoms that are the same form a(n):
mixture
emulsion
element
compound
18
The bonds found within hair that help organize protein chains in order to build hair are called:
side bonds
ionic bonds
water bonds
van der Waals forces
19
A substance that is able to dissolve another substance is called a(n):
powder
solvent
emulsion
ointment
20
If water contains certain salts of calcium, magnesium and other metals that prevent shampoo from lathering, it is
filtered water
distilled water
hard water
pure water
21
What is the side bond that is of the greatest concern to the salon professional?
salt bond
disulfide bond
van der Waals forces
hydrogen bond
22
When two hydrogen atoms combine with one oxygen atom, the result is a water molecule, which is a(n):
element
mixture
compound
atom
23
Carbon, nitrogen, oxygen and hydrogen form the basis of:
mixtures
amino acids
elements
compounds
24
Which of the following characteristics identifies a pH-balanced shampoo?
able to return the hair to 4.5 to 5.5 on the pH scale
has a higher alkalinity in order to remove chlorine, minerals
contains ingredients to treat scalp and hair problems or disorders
able to return the hair to a neutral 7 on the pH scale
25
A pH of 5 is how many more times acidic than a pH of 6?
10
1.5
100
1000
26
All matter that is now living or was alive at one time, with carbon present, falls within the scientific division of:
organic chemistry
inorganic chemistry
anatomy
physics
27
Cleaning the hair and scalp and removing all foreign matter without adversely affecting either the scalp or hair is:
conditioning
shampooing
rinsing
relaxing
28
Which of the following statements about surfactants is NOT true?
contains a hydrophilic part
used to remove oil from the hair
prevents shampoo from lathering
contains a lipophilic part
29
The instructions on a product state to shake well before use, which indicates the product is a(n):
solution
emulsion
ointment
suspension
30
What is formed when two or more immiscible substances are united with the help of a binder?
powder
solution
ointment
emulsion
31
Substances of acidic or alkaline nature dissolve in water and/or contain:
hydrogen
water
carbon
salt
32
The oil-loving part of a surface active agent is called:
lipophilic
hydrophilic
surfactant
emulsifier
33
Hair consists of 97%:
keratin
electrons
trace minerals
protons
34
Which of the following cosmetic classifications represents a mixture of two or more kinds of molecules, evenly dispersed
solution
ointment
emulsion
suspension
35
Two or more of the same atoms joined together by a chemical bond is a(n):
electron
molecule
protein
neutron
36
Water freezing and becoming ice is an example of what type of change?
elemental
physical
chemical
molecular
37
A solution that has more positive hydrogen ions than negative hydroxide ions is:
acidic
alkaline
neutral
slightly alkaline
38
Mixtures of organic substances and a medicinal agent are:
suspensions
emulsions
ointments
solutions
39
A shampoo type generally recommended for clients who are bedridden and cannot wet their hair is known as:
conditioning shampoo
soapless shampoo
non-aerosol powder dry shampoo
anti-dandruff
40
Which bonds found in the hair can be easily broken by heat or water?
hydrogen bonds
disulfide bonds
peptide bonds
van der Waals forces