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Chemistry Ch6 Milady 2020 Flashcards | StudBud
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Chemistry Ch6 Milady 2020
Chemistry Ch6 Milady 2020
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Chapter 6 Milady Chemistry #chemistry #higher_education #adult_education
Flashcards
45 cards
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Questions
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Answers
1
What is an example of something we can see that is NOT matter?
Water
Light
Trees
Air
2
Salons and spas primarily use what kind of emulsions?
water-and-oil
oil-in-water
water-in-oil
oil-and-water
3
What is the natural pH of the skin?
14.0
0.0
7.0
5.5
4
What are the physical properties of matter?
microscopic molecules
elemental components
scientific facts about the matter such as the matter’s pH
things we can see, smell, taste, touch
5
How many states of matter are there?
Five
Three
six
Four
6
Why must esthetician’s understand basic chemistry?
To determine which products do not contain chemicals
To formulate beauty products from scratch
To test products that are in the experimental phase
To use professional products effectively and safely
7
What is an example of an oil-in-water emulsion?
suntan lotion
cleansing cream
cold cream
moisturizer
8
What does hydrophilic mean?
oil loving
water loving
oxygen loving
air loving
9
What are chemical combinations of two or more atoms of different elements called?
adjoining molecules
compound molecules
combination molecules
mixed molecules
10
All living things, whether they are plants or animals, contain what element?
Carbon
Beryllium
Niobium
Oxygen
11
What is chemistry?
science of creating new beauty products
science that deals with compounds lacking carbon
science of splitting atoms
science that deals with matter and how it changes
12
How many branches of chemistry are there?
6
2
4
8
13
The logarithmic scale is a method of displaying data in multiples of what?
2
10
4
6
14
What is the term for matter that has no fixed volume and no definite shape?
Gas
solid
Element
Liquid
15
What are unstable mixtures of two or more immiscible substances?
emulsion
reductions
suspensions
solutions
16
What is the colorless, gaseous element that makes up four-fifths of the air?
nitrogen
Oxygen
Helium
Hydrogen
17
How do suspensions differ from solutions?
suspensions contain larger particles than solutions
suspensions contain fewer particles than solutions
suspensions contain more particles than solutions
suspensions contain smaller particles than solutions
18
What is the name of the branch of chemistry dealing with compounds that dont contain the element carbon?
reduction chemistry
carbon chemistry
organic chemistry
inorganic chemistry
19
What is an atom or molecule that carries an electrical charge?
Eon
Anon
ion
Cell
20
Most skin care products are emulsions of what?
oxygen and nitrogen
oxygen and hydrogen
oil and water
water and air
21
What is the chemical reaction involving the addition of oxygen or the loss of hydrogen?
Hydrogenation
Emulsion
Oxidation
reduction
22
Approximately how many naturally occurring elements are there?
15
98
130
42
23
What is a solute?
any substance that is mixable with another substanc
a stable mixture of two or more miscible substances
any substance that is dissolved by a solvent to form a solution
an unstable mixture of two or more immiscible substances
24
Organic chemistry is the study of substances that contain what element?
nitrogen
Helium
Carbon
Oxygen
25
What are alkalis?
substances with a pH below 5.0
substances with a pH below 7.0
substances with a pH of 7.0
substances with a pH above 7.0
26
What is matter that has fixed volume but no definite shape?
Liquid
solid
Gas
Element
27
What is the most abundant element on Earth?
oxygen
Helium
Hydrogen
Nitrogen
28
What is the simplest form of matter?
Element
Gas
molecule
Cell
29
What does lipophilic mean?
oil loving
water loving
oxygen loving
air loving
30
Why are water-in-oil (W/O) emulsions greasier than oil-in-water (O/W) emulsions?
the oil is in the external phase in W/O emulsions
the oils in W/O emulsions are exceptionally greasy oils
the oils in O/W emulsions are not greasy oils
the oil is in the internal phase in W/O emulsions
31
Compounds studied in inorganic chemistry lack carbon but may contain what element?
Helium
nitrogen
Hydrogen
Oxygen
32
What are acids?
substances with a pH below 7.0
substances with a pH of 7.0
substances with a pH above 10.0
substances with a pH above 7.0
33
In chemistry, what is the term meaning “capable of being mixed”?
compatible
mixable
immiscible
miscible
34
What is an anion?
atom without an electrical charge
atom with an electrical charge
ion with a positive charge
ion with a negative charge
35
Antioxidants prevent oxidation by neutralizing what?
molecules
particles
free radicals
oxidants
36
What is the pH level of a neutral substance?
4.0
0.0
7.0
10.0
37
What is the gaseous mixture that makes up the Earth’s atmosphere?
Air
Oxygen
hydrogen
Sky
38
What is a cation?
atom without an electrical charge
atom with an electrical charge
ion with a positive charge
ion with a negative charge
39
What occurs when an acid is mixed with an alkali in equal proportions to form water and a salt?
acid-alkali neutralization reaction
oxidation-reduction
redox reduction
acid-alkali combustion reduction
40
What is a mixture of two or more immiscible substances united with the aid of an emulsifier?
element
emulsion
solution
reduction
41
The process in which oxygen is subtracted from, or hydrogen is added to, a substance through a chemical reaction?
reduction
emulsion
combination
solution
42
What are elemental molecules?
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
molecules containing two or more atoms of the same element
43
What is a uniform mixture of two or more mutually miscible substances?
emulsion
solution
reduction
surfactant
44
What is the most abundant of all substances on Earth?
Water
Air
Wood
Dirt
45
What are the smallest chemical components of an element that still retain the properties of that element?
Atoms
Molecules
Microbes
particles
