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Chapter 6 Chemistry Flashcards | StudBud
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Chapter 6 Chemistry
Chapter 6 Chemistry
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1
The overexposure principle is used to describe how overexposure determines…..
toxicity
tolerance
safety
immunity
2
Acid-alkali neutralization reactions occur when a acid is mixed with a alkali, balancing total pH & forming H2O and…
a salt
nitrogen
carbon dioxide
a sulfur
3
In order to have a measurable pH a solution has to have water in it
False
True
4
If someone leaves a freezer door open and the ice turns to water, what happened to the ice when it melted?
an immiscible reaction
a chemical reaction
a physical change
a chemical change
5
The pH scale is used to measure…
levels of oxygen
acidity and alkalinity
over and underexposure
levels of carbon dioxide
6
pH is an abbreviation of…
pure hydrocholric acid
probable H2O
potential hydrogen
productively high
7
What does a reducing agent do?
adds hydrogen to a chemical compund
subtracts hydrogen from a chemical compound
adds oxygen to a chemical compound
subtracts nitrogen from a chemical compound
8
Air is NOT a pure substance because it contains many substances
True
False
9
Why would a client want to know if there are any known mutagens in their treatment?
skin is sensitive to highly acidic products and chemicals
can’t afford expensive products
has a fear of fire and thing that can easily ignite
weakened immune system and susceptible to cancers
10
Which of the following is the simplest form of chemical matter?
element
gas
liquid
chemical
11
Everything you can touch and see has matter EXCEPT…
living and once-living bodies
liquids and gases
light and electricity
chemicals and powders
12
An SDS is formatted into __ categories
12
10
8
16
13
How many elements are known to science today?
118
108
18
81
14
Which of the following is an example of a compound molecule?
ozone layer
common table salt
pure nitrogen
oxygen we breathe
15
What should you say if a customer asks if retail products are chemical free?
“No”, because there is no such thing as a chemical free product
“yes”, if they believe they are chemical free
“No”, if they aren’t chemical free because honesty is the best policy
“yes”, it is unlikely they will know the difference
16
You should incorporate an emulsifier into a mixture to make it stable if your product won’t “mix”
True
False
17
What does an oxidizing agent do?
releases oxygen
absorbs oxygen
increases oxygen
nullifies oxygen
18
Which of the following is TRUE of creams, lotions, masks, and makeup?
only contain chemicals if they come from manufactured ingredients
only contain chemicals if they aren’t made from natural sources
they never contain chemicals
contain chemicals whether they come from natural or manufactured sources
19
Guidelines for properly storing chemicals include all EXCEPT which of the following?
never dispose of chemicals in their original containers
never allow chemicals to sit out
never haphazardly combine two chemicals
always lock up chemicals when not in use
20
What is a solvent?
liquid not capable of being mixed to form a stable solution
stable physical mixture of 2 or more substances
substance that dissolves a solute and makes a solution
substance dissolved into a solution
21
SDS are designed for…
use in an emergency
use only by managers
everyday use
use only by new employees
22
Why should ammonia never be mixed with bleach?
creates a potentially deadly gas
dries out skin excessively
become unpredictable in their use
it “discolors” more than lightens the hair
23
If a mixture separates after sitting for 5 min, what is most likely true of the components of the mixture?
they are solvents
they are solutes
they are miscible
they are immiscible
24
Why should beauty professionals have thorough understanding of chemistry?
clients often quiz beauty professionals on this important knowledge
every product used contains some type of chemical
unrelated to the safe operation of a salon
chemistry experiments often regular practice at salons
25
What is capable of igniting and burning?
combustible
mutagen
carcinogen
chemical
26
Which of the following is TRUE of solutions?
usually a solid color
they are surfactants
they are stable mixtures
they are immiscible
27
If you make a scented mist ,what is true of the drops of lavender extract that is mixed into the water
they are solutions
they are solvents
they are immiscible
they are solutes
28
If a freezer was left open all night, all of the ice will melt. This is a result of….
ionization
an exothermic reaction
neutralization
an endothermic reaction
29
After 6 months of being exposed to chemicals you start having skin allergies and difficulty breathing suddenly, why?
the overexposure principle
emulsification
the SDS
neutralization
30
You should use acidic products on someone with very dry, dehydrated skin?
False
True
31
For which of the following purposes would acids be used?
swell the hair
raise pH of products
exfoliate the skin
soften calloused skin
32
All acids owe their chemical reactivity to…
alkalis
overexposure
oxygen
hydrogen ion
33
What are the basic units of matter?
Neutrons
protons
atoms
Electrons
34
Which of the following is TRUE of all liquids?
the are both miscible and immiscible
they are miscible
they are either miscible or immiscible
they are immicible
35
Which of the following is TRUE of products that are incompatible?
they can be safely mixed with proper precautions
no two should be stored next to each other
should never be used on clients
always considered dangerours
36
If lotions, when mixed with activators, warm the bottles they are in, what is happening?
neutralization
endothermic reaction
ionization
exothermic reaction
37
What pH should a neutral solution be for the skin?
pH of 7
pH of 14
pH of 0
pH of 5
38
If someone tells you, “You better be using the first surfactant regularly”, What are they most likely trying to say?
“polish your nails”
“comb your hair”
“brush your teeth”
“wash your hands”
39
What were the first surfactants?
nail polish
soap
motor oil
cooking oil
40
What should you do with incompatible chemicals?
return to manufacturer
store them away from each other
keep refridgerated
avoid letting clients touch them
41
Why does there need to be an SDS available for every chemical used?
enhances image of the business
OSHA requirement
most cost-effective policy
most clients will insist on it
42
There are chemical free products
True
False
43
Why will a course in chemistry help you run a better business?
clients will demand high intelligence in chemistry
beauty pros are part-time chemists
chemical experimentation is essential in beauty services
every product used will contain some type of chemical
44
Of all elements known to science today, how many are naturally occur on Earth?
89
19
98
18
45
Which of the following is an example of a chemical change?
liquid nail polish hardening
ice melting into water
water evaporating into the air
exposed metal rusting
46
Why would you MOST LIKELY be confident you’ll be made aware of any hazards associated with products?
products don’t contain chemicals
products have labels
products are labeled with FDA
you graduated from beauty school
47
What accompanies the rapid oxidation of a substance during combustion?
ionization of the substance
neutralization
endothermic reaction
production of heat and light
48
When immiscible liquids are combined, they form ….
stable liquids
suspensions
solutions
miscible liquids
49
What is TRUE today of the disposal of many of the chemicals used in spas?
most states and counties don’t have regulations in place
most states and counties have regulations in place
there are strict and universal regulations in the place across the U.S.
there are no regulations in place anywhere across the U.S.
50
When mixing chemicals, you should avoid well-ventilated areas
False
True
51
What is a solute?
substance that dissolves a solvent and makes a solution
substance that is dissolved in a solution
stable physical mixture of 2 or more substances
liquid not capable of being mixed to form a stable solution
52
What did the Safety Data Sheet (SDS) replace?
National Institutes of Health (NIH)
Material Safety Data Sheet (MSDS)
Environmental Protection Agency(EPA)
Occupational Safety and Health Administration(OSHA)
53
What could you add to a mixture to keep it from separating?
a solute
a suspension
an emulsifier
a solvent
54
Why is understanding pH important?
essential for passing all exams
it affects hair, skin, and nails
employers require it
directly related to income to income potential
55
When mixing chemicals, one should…
add water to the chemical, not the other way around
use a measuring device, such as a measuring cup or spoon
avoid rooms/ areas that are well ventilated
never use secondary containers, such as spray bottles
56
Any substance that occupies space and has weight is ….
beauty product
matter
a chemical
potentially dangerous
57
What BEST describes a carcinogen?
substance that causes cancer
substance made of carbon
material that is very easy to ignite
material capable of igniting or burning
58
How many accepted pictograms are included in all SDS?
3
6
16
9
59
The effects of cosmetics and beauty products are based on which of the following?
how pleased the beauty professional is with the results
how favorably the new styles compare to old
how friends and family members react to a new look
how the body reacts to the chemicals
60
What is TRUE when salt is dissolved into water?
water is solute; salt is solvent
salt and water are both solutes
salt and water are both solvents
salt is solute; water is solvent
61
What comes immediately after the first category of “ Identification” in the SDS
Toxicology Information
First-aid Measures
Disposal Considerations
Hazard Identification
62
It’s important to have a understanding of basic chemistry because without it, you won’t be able to use products safely
True
False
