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Chemistry Flashcards | StudBud
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Chemistry
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1
The instructions on a product state to shake well before use, which indicates the product is a(n):
solution
emulsion
suspension
ointment
2
Which is not an example is NOT an example of a physical change?
shattering a piece of glass
performing a haircut
iron changing to rust
performing a thermal stlye
3
A solution that has more positive hydrogen ions than negative hydroxide ions is:
acidic
slightly alkaline
alkaline
neutral
4
If water contains certain salts of calcium, magnesium and metals that prevent shampoo from lathering it is classified as
pure water
distilled water
filtered water
hard water
5
Cleaning the hair and scalp and removing all foreign matter without affecting harm on either the scalp or hair is called
relaxing
shampooing
rinsing
conditioning
6
A substance that is able to dissolve another substance is called a(n):
ointment
emulsion
powder
solvent
7
Which shampoo would most likely be used to remove product build up?
conditioning shampoo
powder dry shampoo
clarifying shampoo
thinning hair shampoo
8
Substances of acidic or alkaline nature dissolve in water and/ or contain:
salt
hydrogen
carbon
water
9
All of the following statements regarding pH are true except:
values below 7 indicate more acidity
values below 7 indicate more alkalinity
7 indicates a neutral substance
pH is a unit of measurement that indicates acidic, neutral or alkaline
10
When two hydrogen atoms combine with one oxygen atom, the result is a water molecule, which is a(n):
compound
element
atom
mixture
11
Mixtures of organic substances and a medicinal agent are:
suspensions
solutions
emulsions
ointments
12
Basic substances that cannot be broken down into simpler substances are called:
molecules
solids
elements
compounds
13
Hair consists of 97%:
keratin
protons
trace minerals
electrons
14
What is the side bond that is of the greatest concern to the salon professional?
disulfide bond
hydrogen bond
salt bond
van der Waals forces
15
Distilled water with a pH of 7 is condisered:
neutral
a salt
an acid
an alkali
16
All matter that is now living or was alive at one time, with carbon present, falls under what division?
physics
inorganic chemistry
organic chemistry
anatomy
17
Using a conditiner would help achieve all of the following results EXCEPT:
increase new hair growth
fortify damaged areas
alter the way the hair behaves
protect against further damage
18
A shampoo type generally recommended for clients who are bedridden and cannot wet their hair is known as:
non-aerosol powder dry shampoo
soapless shampoo
conditiong shampoo
anti-dandruff
19
A pH of 5 is how many more times acidic than a pH of 6?
1,000
1.5
100
10
20
The primary ingredent of most shampoos is:
conditioner
minerals
dimethicones
deionized water
21
Which bonds found in the hair can be easily broken by heat or water?
peptide bonds
van der Waals forces
disulfide bonds
hydrogen bonds
22
Which of the following statements about surfactants is NOT true?
prevents shampoo from lathering
used to remove oil from the hair
contains a lipophilic molecule
contains a hydrophilic molecule
23
Which conditioner will penetrate into the damaged hair shaft and deposit proteins into the cortex?
normalizing conditioner
body-building conditioner
instant conditioner
moisturizing conditioner
24
Atoms that are the same from a(n):
mixture
emulsion
compound
element
25
Two or more of the same atoms joined together by a chemical bond is a(n):
protein
molecule
electron
neutron
26
The term used to identify anything that occupies space and has weight is called:
a solid
a gas
matter
organic
27
What is formed when two or more immiscible substances are united with the help of a binder?
emulsion
ointment
solution
powder
28
In the process of making a cup of instant hot cocoa, what would the dry cocoa represent?
solute
a concentrated solution
solvent
a dilute solution
29
What is created when amino acids join together in chains?
elements
compounds
proteins
chemicals
30
Which of the following cosmetic classifications represents a mixture of two or more kinds of molecules evenly dispersed?
suspension
ointment
emulsion
solution
31
Which of the following cosmetic classifications requires sifiting until free-of-coarse gritty particles?
suspension
powder
ointment
emulsion
32
In what pH range is skin and hair?
7.5 to 10.5
11.5 to 12.0
4.5 to 5.5
6.5 to 7.0
33
Mixtures of fats and oils converted to fatty acids by heat and then purified, fall under which cosmetic classification?
ointments
powders
soaps
suspensions
34
What is the name given to purifying water by passing it through a porous substance?
sedimentaion
hydrophilic
emulsion
filteration
35
An example of an oil-in-water emulsion is:
perm soluiton
blush
lipstick
styling lotion
36
The bonds found within hair that help organize protein chains in order to build hair are called:
van der Waals forces
side bonds
water bonds
iconic bonds
37
Which of the following characteristics identifies a pH balanced shampoo?
contains ingredents to treat scalp and hair problems or disorderds
able to return the hair to a neautral 7 on the pH scale
has a higher alklinity in order to remove chlorine, minerals
able to return the hair to 4.5 to 5.5 on the pH scale
38
Water freezing and becoming ice is an example of what type of change?
elemental
molecular
chemical
physical
39
Carbon, oxygen, hydrogen and nitrogen from the basis of:
elements
mixtures
compounds
amino acids
40
Which of the following statements describes how human hair is formed?
linking together of protein groups
salt bonds connect to amino acids
amino acids cause a simple physical change
hydrogen bonds create a chemical change