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Milady: Chapter 7 Chemistry Flashcards | StudBud
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Milady: Chapter 7 Chemistry
Milady: Chapter 7 Chemistry
40 terms
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#esthetics
Flashcards
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Questions
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Answers
1
These have neither a definite size nor a definite shape.
Solids
Gases
Liquids
Cats
2
How are elements identified?
By graphic symbols
By color
By letter symbols
By size
3
These are used to emulsify oil and water.
Solids
Solutions
Soups
Surfactants
4
Suspensions contain smaller particles than solutions do.
False
True
5
What is a characteristic of suspensions?
Slightly miscible
Small particles
Usually clear
Stable mixture
6
Unstable mixture of two or more immiscible substances.
Solution
Solids
Salads
Surfactants
7
A disadvantage of oil-in-water emulsions is that they will not easily rinse away with water.
True
False
8
Inorganic substances are flammable.
True
False
9
Substances with a pH below 7.0.
Acne
Aluminums
Acids
Alkalis
10
What is it called when a chemical changes its state but not its composition?
Physical change
Peristalsis
Chemical change
Homeostasis
11
What is the range of the pH scale?
0 to 14
1 to 14
0 to 10
1 to 10
12
Understanding chemistry helps you to understand how to layer products in services.
True
False
13
Chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized.
Chemical reaction
Roach reaction
React reaction
Redox reaction
14
These have a definite size but not a definite shape.
Gas
Liquid
Solid
Semi-Solid
15
Atoms can be divided into simpler substances by ordinary chemical means.
True
False
16
The atoms of each element are different in structure from the atoms of all other elements.
False
True
17
When a substance is oxidized, the oxidizer is always reduced.
False
True
18
What does ionization create?
Two new ions with opposite electrical charges
Two new ions without an electrical charge
Two new ions with the same electrical charge
Three new ions with the same electrical charge
19
Uniform mixture of two or more substances.
Suspicions
Suspension
Physical mixture
Surfactants
20
Rapid oxidation of a substance, accompanied by the production of heat and light.
Reduction
Suspension
Combustion
Compulsion
21
What color does a base turn red litmus paper?
White
Orange
Blue
Green
22
What is an example of an organic substance?
plastic
glass
iron
plastic
23
What is an example of a liquid?
Ozone
Ice
Steam
Serum
24
Combination of 2 or more substances that are united physically...
Fusion
Chex MIXture
Physical mixture
Chemical mixture
25
Also known as bases; have a pH above 7.0
Surfactants
Anakin
Alkalis
Acids
26
What term refers to the simplest form of chemical matter?
element
atom
cell
molecule
27
Droplets of water dispersed in an oil.
Oil-in-water emulsion
Water-in-water emulsion
Water-in-Oil emulsion
Oil-in-oil emulsion
28
It may not be helpful to the skin for the esthetician cross over product lines in a service.
False
True
29
What is the most abundant element found on earth?
Oxygen
Nitrogen
Hydrogen
Carbon
30
Droplets of oil dispersed in water with the aid of an emulsifying agent.
Oil-in-oil emulsion
water-in-water emulsion
Water-in-oil emulsion
Oil-in-Water emulsion
31
Characteristics that can be determined without a chemical reaction...
Chemical properties
Physical properties
Touchable Properties
Secret properties
32
Characteristics that can be determined only with a chemical reaction...
Physical Properties
Chemical Properties
Suspension
Touchable Properties
33
Most water is pure.
False
True
34
How long should a properly-stored emulsion remain stable?
5 years
6 months
1 year
3 years
35
These have a definite size and a definite shape.
Solids
Gases
Rocks
Liquids
36
Estheticians work with chemistry every day.
True
False
37
A pH of eight is _______ times more alkaline than a pH of seven.
100
2
10
50
38
What is the general composition of air by volume?
Equal parts oxygen and nitrogen
Three parts oxygen and four parts nitrogen
One part oxygen and four parts nitrogen
One part nitrogen and four parts oxygen
39
What is the most commonly used cosmetic ingredient?
Talc
Essential oil
Water
Mineral oil
40
What is an example of an oil-in-water emulsion?
Cooling gel
Thick cream
Moisturizing lotion
Cleansing milk
