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Chapter 7 Chemistry Esti Flashcards | StudBud
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Chapter 7 Chemistry Esti
Chapter 7 Chemistry Esti
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Chemistry Chapter 7
Flashcards
47 cards
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Questions
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Answers
1
Which is a finely ground solid that is mixed evenly with additional ingredients?
ointment
gel
powder
aerosol
2
Oils and oil-soluble substances used to condition and soften the skin are called:
emollients
humectants
surfactants
fatty acids
3
What is not true about lighteners?
continued use for noticeable effects
slowly block production of melanin
use at high levels
lighten areas of pigmentation
4
Matter with definite volume, but indefinite volume and shape are:
gases
solids
compounds
liquids
5
Even dispersion of a solid substance in a liquid base called:
suspension
powder
solution
stick
6
Ingredients responsible for producing the desired effect are called:
surfactants
humectants
inactive
active
7
Not true about pH scale
acids have a value of 7 or greater
acidic, neutral, or alkaline
0 - 14
logarithmic
8
Created when 2 different elements are chemically united:
element
compound
molecule
atom
9
Skin renewal agents that can heal tissue and strengthen the skin:
coloring agents
surfactants
lighteners
vitamins
10
Anything that occupies space is:
chemistry
energy
combustion
matter
11
Joining of hydrogen and oxygen to form water is an example of:
physical change
oxidation
reduction
chemical change
12
Cosmetic product formed when 2 or more nonmixable substances are united:
aerosol
emulsion
suspension
saturation
13
Gov authority responsible for regulating cosmetics:
FDA
OSHA
WIC
USA
14
NOT a benefits from botanicals:
drying effects
antibacterial effects
conditioning effects
anti-inflammatory effects
15
Hard, low-level water or anhydrous product applied by rubbing directly on desired area:
stick
powder
aerosol
emulsion
16
Organic acids from natural sources are called:
enzymes
hydroxy acids
vitamins
dimethicone copolyol
17
What has the ability to bind a wide range of organic and inorganic matter to water:
fatty acids
emollients
humectants
surfactants
18
Part of the atom that has no electrical charge:
electron orbiting shell
neutrons
protons
electrons
19
Ingredients that are designed to dissolve keratin on the surface of the skin:
lighteners
coloring agents
vitamins
enzymes
20
Atoms that have evenly paired electrons in their outermost orbit shell?
molecules
unstable atoms
stable atoms
compounds atoms
21
Smallest complete units of an element are called:
atoms
neutrons
electrons
protons
22
Term is used to describe a base product
acid
alkaline
tamales
hydrogen
23
common emulsion used to provide emolliency and moisture to the skin:
emulsifier
ointment
lotion
powder
24
What are fatty acids that have been exposed to hydrogen?
surfactants
humectants
fatty alcohols
emollients
25
Basic units of matter that cannot be broken down into simpler substances by chemical reaction:
electrons
atoms
elements
neutrons
26
Organic ingredients that bind water and deposit it onto the skin are called:
humectants
emollients
fatty acids
sufactants
27
Chemically unstable molecules caused by environmental pollutants and UV exposure:
antioxidants
hydroxy acids
silicones
free radicals
28
Products packaged under pressure and blended with gas:
sticks
gels
aerosols
ointments
29
Compatible with both oil and water:
humectant
emulsifier
surfactant
fatty acid
30
NOT a major biochemical compound group in the body:
lipids
carbohydrates
proteins
acid mantle
31
Products to maintain the product quality during manufacturing, storage, and usuage:
chelating agents
thickeners
preservatives
viscosity modifiers
32
Two or more compounds blended:
mixture
solution
suspension
emulsion
33
Ingredient used in cosmetics to keep skin firm, yet soft and easy when applied to skin?
emollients
surfactants
fatty acids
humectants
34
Ingredient that help increase the density in emulsions and gel-type products?
chelating agents
preservatives
surfactants
thickeners
35
Cosmetic products r anhydrous thick and heavy texture of a paste:
ointments
cremes
powders
lotions
36
Smallest particle of a compound that contains all of the chemical properties:
molecule
atom
neutron
element
37
General term for articles that are to cleanse, beautify, or alter appearance:
cosmetics
emulsions
drugs
humectants
38
Level of pH that will leave skin vulnerable to injury by environmental factors:
4
8
7
5
39
Group of products intended to treat symptoms or cure a medical condition:
emulsions
humectants
drugs
cosmetics
40
Scientific study of matter and the physical and chemical changes affecting matter:
biology
cosmetology
baker
chemistry
41
Change in the physical form without creating a new substance possessing distinct material:
organic change
physical change
chemical change
solid change
42
Process of a substance loosing an electron and acquiring oxygen is called:
oxidation
covalent bonding
ionic bonding
reduction
43
Universal solvent
alcohol
water
salt
acid
44
Not true about fragrances:
complex blend of essential oils
only small concentration is needed
ingredients listed individually on label
mask undesirable odors
45
Measurements indicates whether a substance is acidic, neutral, or alkaline?
acidity
oxidation
saturation point
pH
46
Not right about sunscreen:
under FDA guidelines
block ultraviolet radiation
2 - 7% concentration
inactive ingredients
47
What is not true about liquids?
have definite weight
have definite shape
assume shape of container they are in
have definite volume