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Milady Ch. 12 Basic Chemistry Flashcards | StudBud
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Milady Ch. 12 Basic Chemistry
Milady Ch. 12 Basic Chemistry
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Milady Chemistry
Flashcards
32 cards
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1
Has no fixed volume or shape: takes shape and volume of container
solids
liquid
acids
gas
2
Substances that have a pH below 7.0, taste sour and turn litmus paper from blue to red are?
acids
bases
alkalis
ions
3
What is the most commonly used cosmetic ingredient?
mineral oil
essential oil
water
talc
4
Oil-in-water emulsions are not easily rinsed away with water ..
false
true
5
What causes an atom or molecule to split in tow, creating a pair of ions with opposite charges
acids
ionization
bases
anion
6
Cosmetologists work with chemistry every day...
No
Yes
7
Suspensions contain smaller particles than solutions do...
true
false
8
This colorless gaseous element, makes up 4/5 of the Earths atmosphere.
Oxygen (O)
Hydrogen (H)
Hydrogen peroxide( H2O2)
nitrogen (N)
9
A pH of eight is -----times more alkaline than a pH of seven
100
50
10
two
10
A change of one whole number on the pH scale represents a ------- change ... page 168
a fraction
tenfold
a point
twentyfold
11
What term refers to the simplest form of chemical matter?
atoms
molecules
elements
gases
12
What is it called when a chemical changes its composition?
physical change
chemical change
matter
mixtures
13
Super oxidizers that cause an oxidation reaction produce a ...
crystalization
fermentation
free radicals
solvents
14
What is an example of a liquid?
ozone
gas
alkalis
serum
15
An Ion with a positive electrical charge is...
alkali
Ph
ionization
cation
16
Rapid oxidation of a substance producing light and heat.
caustic
cation
chemical
combustion
17
What is an example of an oil-in-water emulsion?
cooling gel
cleansing milk
thick cream
moisturizing lotion
18
What science deals with composition,structure and properties of matter and how it changes?
oxidation
chemistry
compounds
elements
19
Everything known to exist in the universe is either made of -------or ------
physical or chemical
liquids or gas
matter or energy
atoms and molecules
20
What is the most abundant element on earth?
Water
Oxygen
Hydrogen
Nitrogen
21
What are the two branches of chemistry?
physical and chemical
solids and gases
acids and alkalis
organic and inorganic
22
Has definite volume but takes shape of container...
solids
ions
liquid
gas
23
What is it called when a chemical changes its state but not its composition?
physical change
oxidation
chemical properites
chemical change
24
Have a pH above 7.0, taste bitter and turn litmus paper from red to blue?
cation
hydrogen
acid
Alkali or base
25
How long should a properly-stored emulsion remain stable?
three years
five years
one year
6 months
26
Rusting iron and burning wood are examples of a chemical reaction called ..?
element
acid
oxidation
suspension
27
What has a rigid fixed shape and volume?
gas
liquid
solid
28
A mixture of two or more mutually miscible substances....
surfactant
hydrophyllic
solutions
29
Two substances that do not mix together naturally.
miscible
alkali
immiscible
acid
30
How is each element identified?
by letter symbols
by color
by size
by graphic symbols
31
Chemical reactions in which the oxidizing agent is reduced & reducing agent is oxidized....
solvents
antioxidants
redox reactions
solutions
32
Surfactant molecules are
acid and alkaline
hydrophilic and lipophilic
anions and cations