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Nails - Ch 10 & 11 - Chemistry Basics Flashcards | StudBud
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Nails - Ch 10 & 11 - Chemistry Basics
Hair and skin have an average pH of:
Overfiling will not lead to:
Nails - Ch 10 & 11 - Chemistry Basics
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Answers
1
Overfiling will not lead to:
free edge chipping
breakage
nail growth
lifting
2
Hair and skin have an average pH of:
7
9
3
5
3
Which of these determines toxicity?
overexposure
underexposure
ingredients
temperature
4
What is the force of nature that makes two surfaces stick together?
repulsion
attraction
cohesion
adhesion
5
Acids turn litmus paper from:
no color change
yellow to green
red to blue
blue to red
6
Liquid has a definite shape and volume.
True
False
7
What is an example of a cyanoacrylate?
UV gels
none
nail adhesives
both answers
8
The thinner the nail plate, the _______ it will be.
weaker
shorter
stronger
longer
9
MMA monomer nail products do not adhere to the nail plate without:
smoothing the nail plate
breaking the natural nail
shredding the plate
dissolving the nail plate
10
What is true of emulsions?
separate somewhat quickly
never separate
separate very slowly over time
separate immediately
11
What is O
3?
oxy clean
carbon dioxide
oxygen
ozone
12
Physical mixtures that contain two or more different substances are called:
Solutions
Suspensions
All of the above
Emulsions
13
When an initiator touches a monomer, it excites with a boost of energy.
True
False
14
The head of the surfactant molecule is:
hydrophilic
lipophilic
both!
neither
15
An ion with a negative charge is called?
a VOC
a cation
an anion
a proton
16
Polymer chains:
are easily unraveled by solvents
are not easily damaged by sharp impacts
cannot be unraveled by force
are not easily removed
17
Corrosive primers can cause painful burns and what if they reach the nail bed?
rigidity
resiliency
thickness
sensitivity
18
Pure water has a _____ pH.
acidic
negative
neutral
alkaline
19
Alkalis feel _______ on the skin
drying
hot
gritty
slippery
20
Nail enhancements are not designed to be taken off more than:
twice a year
once a month
twice a month
once a year
21
Inorganic chemistry is the study of substances that
contain nothing
do not contain hydrogen but may carbon
contain hydrogen and carbon
do not contain carbon but may hydrogen
22
Glycerin is:
used as a solvent in body creams
a bitter substance
dark in color
a colorful, dry substance
23
What is an example of a metacrylate?
nail adhesive
both blue/yellow answers
monomer powders
monomer liquids
24
All nail enhancements become stronger during the first ____ hours.
72
24
2
48
25
Which is not matter?
soil
wood
water
light
26
Coatings that harden upon evaporation undergo a _____ reaction
chemical
hydrophilic
lipophilic
physical
27
Which is not a type of primer?
acid based
acid free
nonacid
dual acid
28
What is known as the universal solvent?
acid
oil
water
oxygen
29
What improves adhesion?
adhesives
plasticizers
primers
monomers
30
In medieval times, alchemists searched for ways to?
turn lead into gold
make valuable items invisible
turn silver into gold
make metals invisible
31
What does a product need to have in order to have a pH?
water
wax
petroleum jelly
oil
32
An unstable mixture of two or more substances that typically not stay blended without a binder?
solution
emulsion
suspension
surfactant
33
The products in evaporation coatings:
contain oligomers
contain volatile ingredients
polymerize slowly
polymerize quickly
34
If a substance is high in hydrogen ions, it is?
a neutral
water
very acidic
very alkaline
35
What is the first step to prepping the nails?
wash and scrub hands/nails
remove shine
use a hand sanitizer
use nail dehydrator
36
What is a short chain of monomers that has had its growth halted before it could become a polymer?
acrylic
catalyst
an oligomer
cross-linker
37
What is the chemical reaction that releases a significant amount of heat released?
exothermic reaction
endothermic reaction
physical reaction
chemical reaction
38
What is an example of an acrylate?
monomer powders
acetone
UV gels
monomer liquids
39
There are 80 naturally occuring elements.
False
True
40
What is a chemical combination of matter, in definite proportions?
both
pure substance
none
physical mixture
41
What causes an atom or molecule to split into two, creatnig a pair of ions?
meosis
ionization
atomic divison
mitosis
42
What is a substance formed by combining many small molecules in extremely long, chainlike structures?
polymer
oligomer
monomer
cross linker
43
What is a stable uniform blend of two or more substances?
solute
miscible liquid
solvent
solution
44
Any substance that occupies space and has mass?
matter
inorganic
chemical
organic
45
What is formed when a liquid evaporates?
a gas
an emulsion
a solid
a vapor
46
What type of surface is the best to ensure proper adhesion of a nail enhancement?
wet
shiny
roughed up
clean
47
What is mayonnaise an example of?
a solution
an oil in water emulsion
a suspension
a water in oil emulsion
48
Acid-free primers have a slightly alkaline pH.
True
False
49
Organic means a substance containing both carbon and hydrogen from natural or a ________ source
synthetic
homegrown
man made
healthy
50
What do organic substances need to burn?
hydrogen and oxygen
oxygen and carbon
carbon
carbon and hydrogen
51
What is an atom carrying an electrical charge called?
electron
neutron
proton
ion
52
All nail adhesives and wraps are based on:
acrylates
cyanoacrylates
crimsoacrylates
methacrylates
53
How many molecules must react to make a single sculptured nail?
a few
millions
trillions
a thousand
54
What is the simplest form of chemical matter?
a particle
energy
a molecule
an element
55
Problems related to nail enhancements are typically not caused by:
unlicensed technicians
product quality
improper application
improper nail plate prep
56
What are used to keep nail products flexible?
UV stabilizers
pigments
monomers
plasticizers
57
Which of these are immiscible liquids?
water and alcohol
acetone and water
peroxide and alcohol
water and oil
58
Science that deals with the composition, structures, and properties of matter & how matter changes?
Astronomy
Organic chemistry
Chemistry
Biology