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