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Duplicate of Milady CH. 7: BASIC OF CHEMISTRY Flashcards | StudBud
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Duplicate of Milady CH. 7: BASIC OF CHEMISTRY
Duplicate of Milady CH. 7: BASIC OF CHEMISTRY
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AESTHETICS GENERAL SCIENCE
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40 cards
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Questions
40
Answers
1
What is an ion with a negative charge?
cation
molecule
anoin
neutron
2
What is t he study of substances t hat contain carbon?
carbon dating
organic dating
organic chemistry
carbon chemistry
3
What has physical properties that we can see, smell, taste, and touch?
radiation
matter
energy
electricity
4
What is an atom with a positive electrical charge?
neutron
cation
molecule
anoin
5
What type of neutralization reaction forms water and salt?
solution-compound
atom-alkali
reduction-compound
acid-alkali
6
What term refers to substances with a pH below 7.O?
acids
bases
alkalis
solutes
7
What is true of elements?
elements are the most complex form of matter
in chemistry, the main elements are sunshine, clouds, rain, & snow
elements are the simplest form of matter
there are only five basic elements in the universe
8
What is reduction?
addition of oxygen or the loss of hydrogen
loss of oxygen or the addition of hydrogen
loss of both oxygen and hydrogen
addition of both oxygen and hydrogen
9
How much of the Earth's surface, approximately, is water?
100%
25%
75%
10%
10
What are the two branches of chemistry?
organic and inorganic
artificial and natural
anagen and catagen
alkaline and acidic
11
What is true of each of the approximately 90 naturally occurring elements?
all share the same physical and chemical properties
though chemical properties vary, all have the same physical properties
each has its own distinctive physical and chemical properties
though physical properties vary, all have the same chemical d. water vapor
12
What is true of moisturizer?
it is a water-in-oil reduction
it is a water-in-oil emulsion
it is an oil-in-water emulsion
it is an oil-in-water reduction
13
Science that deals w/ the composition, structure, & properties of matter & how matter changes under different conditions
ergonomics
biology
chemistry
physiology
14
What does the term
miscible
mean?
incapable of being mixed
capable of being mixed
capable of being ionized
incapable of being ionized
15
What is any substance that is dissolved by a solvent to form a solution?
suspension
emulsion
matter
solute
16
What type of substance has a pH level of 7.0?
toxic
acidic
alkalis
neutral
17
What is light form?
gas
energy
liquid
matter
18
What is true of water?
the human body is made entirely of water
it is the most abundant of all substances on Earth
it is a relatively scarce substance
water comprises a very small portion of the human body
19
What term refers to molecules that contain two or more atoms of the same element?
atomic molecules
radiological molecules
chemical molecules
elemental molecules
20
What element is absent from the compounds studied in inorganic chemistry?
nitrogen
oxygen
carbon
helium
21
What is an ion?
atom or molecule that carries an electrical charge
atom or molecule without an electrical charge
dust particle left over after the ionization process
spark discharge during the ionization process
22
What is a difference between water-in-oil (W/0) emulsions and oil-in-water (O/W) emulsions?
W/0 emulsions are easily rinsed away with water
W/0 emulsions are greasier
0/W emulsions are not easily rinsed away with water
0/W emulsions are greasier
23
What is
NOT
true of atoms?
all mat ter is composed of atoms
all atoms are identical
atoms consist of smaller particles
they are small particles of elements
24
What are substances with a pH above 7.0?
reductions
acids
solutions
alkalis
25
What do anti oxidant s prevent by neutralizing free radicals?
ionization
oxygenation
radicalization
oxidation
26
What businesses primarily use oil-in-water emulsions?
bakeries
salons and spas
fast-food restaurants
auto repair shops
27
How much of the air is made up of nitrogen?
four-fifths
three-eighths
one-quarter
two-thirds
28
What is a solution?
uniform mixture of two or more mutually immiscible substances
unstable mixture of an emulsion and a reduction
unstable mixture of the largest particles
uniform mixture of two or more mutually miscible substances
29
What causes oxidation?
addition of hydrogen or the loss of oxygen
addition of both oxygen and hydrogen
addition of oxygen or the loss of hydrogen
loss of both oxygen and hydrogen
30
What are most skin care products?
reductions of oil and water
suspensions of oil and water
solutions of oil and water
emulsions of oil and water
31
What is united with the aid of an emulsifier to create an emulsion?
two or more miscible substances
a reduction and a solution
a surfactant and a liquid
two or more immiscible substances
32
What element is found in all living things, whether they are plants or animals?
atom-alkali
zinc
acid-alkali
carbon
33
What is air?
shell of radiation surrounding Earth
gaseous mixture that makes up the Earth's atmosphere
water vapor that forms clouds
common name for the chemical that makes the sky appear blue
34
What is true of liquid?
it is matter with no fixed volume but definite shape
it is matter with fixed volume but no definite shape
it is matter with fixed volume and definite shape
it is matter with no fixed volume and no definite shape
35
What is the natural pH of the skin?
5.5
7.5
3.5
7.0
36
What are suspensions?
chemical compounds made from a reduction and a suspension
stable mixtures of two or more immiscible substances
unstable mixtures of two or more immiscible substances
chemical compounds made from a reduction and a solution
37
What is true oxygen?
it is the most abundant element on Earth
it should not be ingested because it is poisonous to humans
contrary to popular belief, there is no oxygen in the air
it is the least abundant element on Earth
38
What term means "water-loving"?
hydrophilic
hydroactive
hydrocentric
hydrophobic
39
What term means "oil-loving"?
lipophilic
lipocentric
lipophobic
lipoactive
40
What is the term that refers to matter in its three physical forms (solid, liquid, gas)?
states of matter
physical properties
chemical properties
appearances of matter
