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Esthetician Exam Review: Basics of Chemistry (Ch. 6 Black Book) Flashcards | StudBud
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Esthetician Exam Review: Basics of Chemistry (Ch. 6 Black Book)
Esthetician Exam Review: Basics of Chemistry (Ch. 6 Black Book)
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1
What is true of each of the approximately 90 naturally occurring elements?
Each has is own distinctive physical and chemical properties
Though physical properties vary, all have the same chemical properties
All share the same physical and chemical properties
Though chemical properties vary, all have the same physical properties
2
What term refers to substances with a pH below 7.0?
Acids
Alkalis
Solutes
Bases
3
What are substances with a pH above 7.0?
Reductions
Alkalis
Acids
Solutions
4
What term refers to molecules that contain two or more atoms of the same element?
Atomic molecules
Radiological molecules
Elemental molecules
Chemical molecules
5
What is true of elements?
Elements are the most complex form of matter
Elements are the simplest form of matter
In chemistry, the main elements are sunshine, clouds, rain, and snow
There are only five basic elements in the universe
6
What are most skin care products?
Suspensions of oil and water
Emulsions of oil and water
Solutions of oil and water
Reductions of oil and water
7
What element is found in all living things, whether they are plants or animals?
Zinc
Radon
Carbon
Helium
8
What is air?
Water vapor that forms clouds
Common name for the chemical that causes the sky to appear blue
Shell of radiation surrounding Earth
Gaseous mixture that makes up the Earth's atmosphere
9
What is
NOT
true of atoms?
They are small particles of elements
All atoms are identical
Atoms consist of smaller particles
All matter is composed of atoms
10
What type of substance has a pH level of 7.0?
Acidic
Neutral
Toxic
Alkaline
11
What is an ion with a negative charge?
Molecule
Cation
Neutron
Anion
12
What term means "water-loving"?
Hydrophilic
Hydrophobic
Hydocentric
Hydroactive
13
What is the natural pH of the skin?
5.5
7.
3.5
7.5
14
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
15
How much of air is made up of nitrogen?
two-thirds
One-quarter
three-eights
four-fifths
16
What has physical properties that we can see, smell, taste, and touch?
Energy
Radiation
Matter
Electricity
17
What are suspensions?
Unstable mixtures of two or more immiscible substances
Chemical compounds made from a reduction and a suspension
Chemical compounds made from a reduction and a solution
Stable mixtures of two or more immiscible substances
18
What is true of water?
Water comprises a very small portion of the human body
The human body is made entirely of water
It is the most abundant of all substances on Earth
It is a relatively scarce substance
19
What businesses primarily use oil-in-water emulsions?
Bakeries
Salons and spas
Auto repair shops
Fast-food restaurants
20
What is the term that refers to matter in its three physical forms (liquid, solid, gas)?
Physical properties
Appearances of matter
Chemical properties
States of matter
21
How much of the Earth's surface, approximately, is water?
100%
75%
10%
25%
22
What do antioxidants prevent by neutralizing free radicals?
Radicalization
Oxygenation
Ionization
Oxidation
23
What type of neutralization reaction forms water and salt?
Atom-alkali
Solution-compound
Acid-alkali
Reduction-compound
24
What causes oxidation?
Loss of both oxygen and hydrogen
Addition of both oxygen and hydrogen
Addition of oxygen or the loss of hydrogen
Addition of hydrogen or the loss of oxygen
25
What does the term
miscible
mean?
Incapable of being ionized
Capable of being mixed
Capable of being ionized
Incapable of being mixed
26
What are the two branches of chemistry?
Anagen and catagen
Organic and inorganic
Artificial and natural
Alkaline and acidic
27
What is any substance that is dissolved by a solvent to form a solution?
Emulsion
Solute
Matter
Suspension
28
What is true of liquid?
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
It is matter with no fixed volume but definite shape
29
What is true of oxygen?
Contrary to popular belief, there is no oxygen in the air
It is the least abundant element on Earth
It should not be ingested because it is poisonous to humans
It is the most abundant element on Earth
30
What term means "oil-loving"?
Lipoactive
Lipophobic
Lipocentric
Lipophilic
31
What is light a form of?
Gas
Matter
Energy
Liquid
32
What is an atom with a positive electrical charge?
Neutron
Molecule
Cation
Anion
33
What is a difference between water-in-oil (W/O) emulsions and oil-in-water (O/W) emulsions?
W/O emulsions are easily rinsed away with water
O/W emulsions are greasier
O/W emulsions are not easily rinsed away with water
W/O emulsions are greasier
34
What is a solution?
Unstable mixture of an emulsion and a reduction
Unstable mixture of the largest particles
Uniform mixture of two or more mutually miscible substances
Uniform mixture of two or more mutually immiscible substances
35
What is true of moisturizer?
It is an oil-in-water emulsion
It is an oil-in-water reduction
It is a water-in-oil emulsion
It is a water-in-oil reduction
36
What is united with the aid of an emulsifier to create an emulsion?
A reduction and a solution
A surfactant and a liquid
Two or more miscible substances
Two or more immiscible substances
37
What element is absent from the compounds studied in inorganic chemistry?
Oxygen
Carbon
Helium
Nitrogen
38
What is the science that deals with the composition, structure and how matter changes under different conditions?
Chemistry
Physiology
Biology
Ergonomics
39
What is an ion?
Spark discharged during the ionization process
Atom or molecule that carries an electrical charge
Dust particle left over after the ionization process
Atom or molecule without an electrical charge
40
What is the study of substances that contain carbon?
Carbon dating
Organic chemistry
Carbon chemistry
Organic dating
