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Milady F Ch. 6 Chemistry and Chemical Safety Flashcards | StudBud
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Milady F Ch. 6 Chemistry and Chemical Safety
Milady F Ch. 6 Chemistry and Chemical Safety
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1
In saltwater, Salt is the solute and water is the solvent
True
False
2
______ liquids are liquids that mix easily?
Compatible
Immiscible
Incompatible
Miscible
3
Nail polish containing glitter is an unstable physical mixture of undissolved particles in a liquid, which is known as ?
suspension
surfactant
solution
emulsion
4
What is the basic unit of matter that cannot be divided into simpler substances by ordinary chemical means?
atom
electron
proton
neutron
5
Overexposure principal is used to describe how overexposure determines ___
Safety
Immunity
Toxicity
Tolerance
6
Pure water with a pH of seven is considered to be _____?
acid
mineral
alkaline
neutral
7
How many elements occur naturally in Earth?
98
19
89
18
8
How many elements are known to science today?
81
108
18
118
9
What is the ph of skin and hair
3
7
4
5
10
_____ are the basic unit of matter
Atoms
Neutrons
Protons
Electrons
11
PH scale is used to measure
Acidity and alkalinity
Levels of oxygen
Overexposure and underexposure
Levels of carbon dioxide
12
Everything you can touch and everything you can see is matter EXCEPT _____
Living and once-living bodies
Chemical and powders
Light and electricity
Liquid and gases
13
Any substance that occupies space and weight & has physical and chemical properties is ____
A beauty product
A chemical
Potentially dangerous
Matter
14
____ include safety information about products, compiled by the manufacturer and required by law?
MSDS
SDS
EPA
OSHA
15
Immiscible liquids are combined, they form____
Suspensions
Miscible liquids
Stable mixtures
Solutions
16
A product with a pH of 8.9 is considered to be
neutral
balanced
alkaline
acid
17
A(n) ___ is a mixture of two or more substances that are united with the aid of a binder.
ointment
emulsion
suspension
solution
18
Which of the following is an example of a compound molecule ?
Common table salt
Pure nitrogen
The oxygen we breathe
The ozone layer
19
Because it has the ability to dissolve more substances than any other solvent, ___ is known as the universal solvent.
ethyl alcohol
water
isopropyl alcohol
hydrogen peroxide
20
Redox is a contraction for ______ ?
reduction-oxygenation
reaction-oxidation
organic creation
oxidation-reduction
21
When two or more atoms are joined together chemically, a(n) ______ is created.
electron
neuron
atom
molecule
22
What does PH stand for ?
Pure Hydrochloric acid
Productively high
Probable H2O
Potential hydrogen
23
Substances that act as a bridge to allow oil and water to mix or emulsify are___.
miscibles
compounds
solutions
surfactants
24
Atoms cannot be divided into simpler substances by ordinary chemical means
False
True
25
is a combination of substances that are held together by physical rather than chemical ties
compound
synthesis
solvent
physical mixture
26
Why should beauty professionals study and have a thorough understanding of chemistry?
It is unrelated to the safe operation of a salon/ spa
Products used in beauty and wellness contain chemicals
Chemistry experiments are often regular practice at salons/ spas
Clients often quiz beauty professionals on this important knowledge
27
When a substance gains oxygen, the substance is _______?
oxidized
reduced
suspended
subtracted
28
What’s an example of a chemical change
Liquid nail polish hardening
Exposed metal rusting
Water evaporating into the air
Ice melting to become water
29
Incompatible products are chemicals that ______.
must be shaken before use as they tend to separate
are impossible to mix together
cannot be used on the human skin
should not be mixed or stored near each other
30
A(n) _____________ agent is a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound.
oxidizing
reducing
hydrogen
reacting