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Chapter 6 Chemistry Flashcards | StudBud
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Chapter 6 Chemistry
Chapter 6 Chemistry
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1
What should you do with incompatible chemicals?
avoid letting clients touch them
return to manufacturer
store them away from each other
keep refridgerated
2
There are chemical free products
False
True
3
What is TRUE when salt is dissolved into water?
water is solute; salt is solvent
salt and water are both solvents
salt and water are both solutes
salt is solute; water is solvent
4
Which of the following is an example of a compound molecule?
oxygen we breathe
common table salt
ozone layer
pure nitrogen
5
What does a reducing agent do?
adds oxygen to a chemical compound
adds hydrogen to a chemical compund
subtracts hydrogen from a chemical compound
subtracts nitrogen from a chemical compound
6
What are the basic units of matter?
atoms
Electrons
Neutrons
protons
7
What accompanies the rapid oxidation of a substance during combustion?
production of heat and light
endothermic reaction
ionization of the substance
neutralization
8
Guidelines for properly storing chemicals include all EXCEPT which of the following?
never haphazardly combine two chemicals
never allow chemicals to sit out
never dispose of chemicals in their original containers
always lock up chemicals when not in use
9
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 immiscible
they are miscible
they are solutes
10
When mixing chemicals, one should…
use a measuring device, such as a measuring cup or spoon
never use secondary containers, such as spray bottles
add water to the chemical, not the other way around
avoid rooms/ areas that are well ventilated
11
pH is an abbreviation of…
probable H2O
potential hydrogen
pure hydrocholric acid
productively high
12
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”, it is unlikely they will know the difference
“No”, if they aren’t chemical free because honesty is the best policy
“yes”, if they believe they are chemical free
13
After 6 months of being exposed to chemicals you start having skin allergies and difficulty breathing suddenly, why?
the overexposure principle
neutralization
the SDS
emulsification
14
What is capable of igniting and burning?
combustible
chemical
carcinogen
mutagen
15
How many accepted pictograms are included in all SDS?
9
16
3
6
16
For which of the following purposes would acids be used?
soften calloused skin
raise pH of products
exfoliate the skin
swell the hair
17
SDS are designed for…
everyday use
use only by managers
use in an emergency
use only by new employees
18
Why is understanding pH important?
it affects hair, skin, and nails
directly related to income to income potential
essential for passing all exams
employers require it
19
Which of the following is TRUE of all liquids?
they are immicible
they are either miscible or immiscible
they are miscible
the are both miscible and immiscible
20
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
21
What BEST describes a carcinogen?
substance made of carbon
material that is very easy to ignite
substance that causes cancer
material capable of igniting or burning
22
Which of the following is TRUE of products that are incompatible?
they can be safely mixed with proper precautions
always considered dangerours
no two should be stored next to each other
should never be used on clients
23
What does an oxidizing agent do?
nullifies oxygen
increases oxygen
absorbs oxygen
releases oxygen
24
If a freezer was left open all night, all of the ice will melt. This is a result of….
neutralization
an exothermic reaction
ionization
an endothermic reaction
25
The effects of cosmetics and beauty products are based on which of the following?
how favorably the new styles compare to old
how pleased the beauty professional is with the results
how the body reacts to the chemicals
how friends and family members react to a new look
26
Which of the following is TRUE of solutions?
they are stable mixtures
usually a solid color
they are immiscible
they are surfactants
27
The overexposure principle is used to describe how overexposure determines…..
safety
immunity
tolerance
toxicity
28
What pH should a neutral solution be for the skin?
pH of 5
pH of 0
pH of 7
pH of 14
29
What did the Safety Data Sheet (SDS) replace?
Environmental Protection Agency(EPA)
National Institutes of Health (NIH)
Material Safety Data Sheet (MSDS)
Occupational Safety and Health Administration(OSHA)
30
What is a solvent?
substance dissolved into a solution
stable physical mixture of 2 or more substances
substance that dissolves a solute and makes a solution
liquid not capable of being mixed to form a stable solution
31
What is a solute?
substance that is dissolved in a solution
liquid not capable of being mixed to form a stable solution
stable physical mixture of 2 or more substances
substance that dissolves a solvent and makes a solution
32
Acid-alkali neutralization reactions occur when a acid is mixed with a alkali, balancing total pH & forming H2O and…
a salt
a sulfur
carbon dioxide
nitrogen
33
Why would you MOST LIKELY be confident you’ll be made aware of any hazards associated with products?
products are labeled with FDA
products don’t contain chemicals
products have labels
you graduated from beauty school
34
Why should ammonia never be mixed with bleach?
creates a potentially deadly gas
it “discolors” more than lightens the hair
dries out skin excessively
become unpredictable in their use
35
Which of the following is an example of a chemical change?
liquid nail polish hardening
exposed metal rusting
water evaporating into the air
ice melting into water
36
What could you add to a mixture to keep it from separating?
a suspension
a solvent
an emulsifier
a solute
37
How many elements are known to science today?
18
118
81
108
38
The pH scale is used to measure…
over and underexposure
levels of oxygen
acidity and alkalinity
levels of carbon dioxide
39
What were the first surfactants?
soap
cooking oil
nail polish
motor oil
40
Everything you can touch and see has matter EXCEPT…
liquids and gases
light and electricity
living and once-living bodies
chemicals and powders
41
Why will a course in chemistry help you run a better business?
chemical experimentation is essential in beauty services
every product used will contain some type of chemical
beauty pros are part-time chemists
clients will demand high intelligence in chemistry
42
If someone tells you, “You better be using the first surfactant regularly”, What are they most likely trying to say?
“wash your hands”
“brush your teeth”
“polish your nails”
“comb your hair”
43
When immiscible liquids are combined, they form ….
stable liquids
solutions
miscible liquids
suspensions
44
Air is NOT a pure substance because it contains many substances
True
False
45
You should use acidic products on someone with very dry, dehydrated skin?
True
False
46
Why should beauty professionals have thorough understanding of chemistry?
chemistry experiments often regular practice at salons
unrelated to the safe operation of a salon
every product used contains some type of chemical
clients often quiz beauty professionals on this important knowledge
47
If someone leaves a freezer door open and the ice turns to water, what happened to the ice when it melted?
a chemical change
an immiscible reaction
a physical change
a chemical reaction
48
In order to have a measurable pH a solution has to have water in it
False
True
49
What comes immediately after the first category of “ Identification” in the SDS
First-aid Measures
Disposal Considerations
Hazard Identification
Toxicology Information
50
You should incorporate an emulsifier into a mixture to make it stable if your product won’t “mix”
False
True
51
Of all elements known to science today, how many are naturally occur on Earth?
18
98
89
19
52
All acids owe their chemical reactivity to…
alkalis
overexposure
oxygen
hydrogen ion
53
If lotions, when mixed with activators, warm the bottles they are in, what is happening?
endothermic reaction
exothermic reaction
neutralization
ionization
54
Any substance that occupies space and has weight is ….
a chemical
beauty product
potentially dangerous
matter
55
When mixing chemicals, you should avoid well-ventilated areas
True
False
56
Which of the following is the simplest form of chemical matter?
liquid
chemical
element
gas
57
If you make a scented mist ,what is true of the drops of lavender extract that is mixed into the water
they are immiscible
they are solutes
they are solutions
they are solvents
58
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
weakened immune system and susceptible to cancers
has a fear of fire and thing that can easily ignite
can’t afford expensive products
59
An SDS is formatted into __ categories
12
10
16
8
60
What is TRUE today of the disposal of many of the chemicals used in spas?
most states and counties have regulations in place
there are strict and universal regulations in the place across the U.S.
most states and counties don’t have regulations in place
there are no regulations in place anywhere across the U.S.
61
Which of the following is TRUE of creams, lotions, masks, and makeup?
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
only contain chemicals if they come from manufactured ingredients
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
