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Ch 07 Chemistry & Ingredients Flashcards | StudBud
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Ch 07 Chemistry & Ingredients
Ch 07 Chemistry & Ingredients
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Chapter 7 Chemistry
Flashcards
50 cards
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Practice quiz
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Questions
50
Answers
1
What is an example of an organic substance?
iron (Fe)
water (H2O)
plastic(C2H4)
glass (SiO2)
2
What term refers to the two or more atoms, joined chemically?
compound
element
matter
molecule
3
What are the physical properties of matter?
facts about the matter
things we can see, smell, taste, touch
microscopic molecules
elemental components
4
What is the term for matter that has no fixed volume and no definite shape?
gas
liquid
solid
element
5
How long should a properly-stored emulsion remain stable?
1 year
5 years
3 years
6 months
6
What is the name of the branch of chemistry dealing with compounds that
do not contain carbon
and
were
never alive?
carbon chemistry
organic chemistry
reduction chemistry
inorganic chemistry
7
How many branches of chemistry are there?
6
8
2
4
8
What is it called when a chemical changes its state but not its composition?
chemical change
peristalsis
homeostasis
physical change
9
What does lipophilic mean?
oxygen loving
water loving
air loving
oil loving
10
The logarithmic scale is a method of displaying data in multiples of what?
4
6
2
10
11
What are acids?
substances with a pH of 7.0
substances with a pH below 7.0
substances with a pH above 10.0
substances with a pH above 7.0
12
What is chemistry?
science of creating new beauty products
science of splitting atoms
science that deals with compounds lacking carbon
science that deals with matter and how it changes
13
What are chemical combinations of two or more atoms of different elements called?
adjoining molecules
compound molecules
combination molecules
mixed molecules
14
Why must estheticians understand basic chemistry?
to determine which products do not contain chemicals
to test products that are in the experimental phase
to use professional products effectively and safely
to formulate beauty products from scratch
15
How are elements identified?
by graphic symbols
by size
by color
by letter symbols
16
What ion is attracted to a negative charge?
cation
anion
neon
eon
17
How do suspensions differ from solutions?
suspensions contain larger particles than solutions
suspensions contain smaller particles than solutions
suspensions contain fewer particles than solutions
suspensions contain more particles than solutions
18
What is a mixture of two or more immiscible substances united with the aid of an emulsifier?
solution
emulsion
element
reduction
19
Approximately how many naturally occurring elements are there?
15
130
94
42
20
In chemistry, what is the term referring to substances that are easily mixed together?
mixable
immiscible
miscible
compatible
21
What are the smallest chemical components of an element that still retain the properties of that element?
particles
microbes
atoms
molecules
22
How many states of matter are there?
3
4
6
5
23
What is the name of the branch of chemistry dealing with compounds contain the element carbon and were once alive?
carbon chemistry
reduction chemistry
inorganic chemistry
organic chemistry
24
Most skin care products are emulsions of what?
oxygen and hydrogen
oil and water
oxygen and nitrogen
water and air
25
What are alkalis?
substances with a pH of 7.0
substances with a pH below 7.0
substances with a pH below 5.0
substances with a pH above 7.0
26
What does ionization create?
two new ions with the same electrical charge
three new ions with the same electrical charge
two new ions without an electrical charge
two new ions with opposite electrical charges
27
What are elemental molecules?
molecules containing two atoms each of different elements
molecules containing only one atom of a single element
molecules large enough to be seen by the naked eye
molecules containing two or more atoms of the same element
28
What is an example of something we can see that is
NOT
matter?
light
air
trees
water
29
What is a combination of a solvent and a solute?
solution
surfactant
emulsion
reduction
30
What is an example of a liquid?
steam
powder
toner
ozone
31
What has a fixed volume and a fixed shape?
liquid
compound
solid
gas
32
What ion is attracted to a positive charge?
anion
neon
eon
cation
33
What is a characteristic of suspensions?
smaller particles
usually clear
stable mixture
separating out over time
34
What is the pH level of a neutral substance?
4
10
7
0
35
What is the range of the pH scale?
1-14
0-14
0-10
1-10
36
What does hydrophilic mean?
oil loving
water loving
oxygen loving
air loving
37
What is the chemical reaction involving unstable atoms stealing electrons from other atoms?
hydrogenation
oxidation
reduction
emulsion
38
Antioxidants prevent oxidation by neutralizing what?
particles
atoms
free radicals
molecules
39
What is a solute?
a stable mixture of two or more miscible substances
an unstable mixture of two or more immiscible substances
any substance that is mixable with another substance
any substance that is dissolved by a solvent to form a solution
40
A pH of eight is _______ times more alkaline than a pH of seven.
100
2
50
10
41
What is the process through which reactive oxygen species are subtracted from a substance through a chemical reaction?
emulsion
redox reaction
combination
solution
42
What is matter that has fixed volume but no definite shape?
gas
element
solid
liquid
43
What are
unstable
mixtures of two or more immiscible substances?
emulsions
reductions
solutions
suspensions
44
Organic chemistry is the study of substances that contain what element?
oxygen
carbon
helium
nitrogen
45
What is the most commonly used cosmetic ingredient?
talc
water
mineral oil
essential oil
46
What is the natural pH of the skin?
0.0-1.0
13-14
6.5-7.5
4.5-5.5
47
All living things, whether they are plants or animals, contain what element?
nitrogen
oxygen
carbon
helium
48
What is created when an atom is split, forming 2 opposing charges?
anons
ions
cells
eons
49
What occurs when an acid is mixed with an alkali in equal proportions to form water and a salt?
oxidation-reduction
acid-alkali combustion reduction
acid-alkali neutralization reaction
redox reduction
50
What is the simplest form of matter?
gas
cell
element
molecule
