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Ch 6F Chemistry & Chemical Safety USTA Flashcards | StudBud
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Ch 6F Chemistry & Chemical Safety USTA
Ch 6F Chemistry & Chemical Safety USTA
30 terms
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1
If you leave the freezer open all night, all of the nice will melt. This is a result of _____.
An endothermic reaction
An exothermic reaction
2
The effects of the cosmetics and beauty industry and based on which of the following?
How friends and family members react to a new look
How pleased the beauty professional is with the results
How the body reacts to chemicals
How favorably the new styles compare with the old
3
Any substance that occupies space and has weight is _____.
Potentially dangerous
Matter
A chemical
A beauty product
4
Which of the following is an example of a chemical change?
Water evaporating into the air
Exposed metal rusting
Liquid nail polish hardening
Ice melting to become water
5
Which of the following is the simplest form of chemical matter?
A gas
A liquid
A chemical
An element
6
Ice to water is ______.
A physical change
An immiscible reaction
A chemical change
A chemical reaction
7
Chemistry is beneficial to the beauty industry because _____.
It is well known that beauty pros are often part-time chemists
Every product used in the spa contains some type of chemcial
Clients will demand high intelligence in chemistry
Chemical experimentation is essential in beauty services
8
When immiscible liquids are combined, they form ______.
Stable mixtures
Suspensions
Miscible liquids
Solutions
9
For which of the following purposes would acids likely be used?
To raise the pH of products
To exfoliate the skin
Soften calloused skin
To swell the hair
10
All liquids are either miscible or Immiscible.
True
False
11
What does a reducing agent do?
Subtracts hydrogen from a chemical compound
Adds oxygen to a chemical compound
Subtracts nitrogen from a chemical compound
adds hydrogen to a chemical compound
12
Solutions are stable mixtures.
True
False
13
What accompanies that rapid oxidation of the substance during combustion?
An endothermic reaction
An ionization of substance
Neutralization
The production of heat and light
14
An example of a surfactant is _____.
Nail polish
Hand soap
15
Mutagens are carcinogens that are associated with cancers.
False
True
16
SDS are designed for:
Use only by new employees
Use only by managers
Use in an emergency
Everyday use
17
How many elements are known to science today?
81
118
18
108
18
EPA registered products make you aware of the hazards in said products.
True
False
19
Air is a pure substance.
True
False
20
Why should beauty professionals have thorough understanding of chemistry?
Clients will be critical of one’s knowledge
Chemistry knowledge is directly correlated with economic growth
W/o it one cannot use professional products safety & effectively
Chemistry is the backbone of the beauty industry
21
The pH scale is used to measure _____.
Levels of carbon dioxide
Acidity and alkalinity
Overexposure and underexposure
Levels of oxygen
22
Client has very dry, dehydrated and irritable skin; what should you advise them to use?
Avoid using cosmetics all together
Use very acidic products
Use slightly alkaline products
Try not to change the nature of your skin
23
What is a solute?
Stable physical mixture of two or more substances
Substance that dissolves a solvent and makes a solution
Substance that is dissolved in a solution
A liquid not capable of being mixed to form a stable solution
24
Neutralizations reactions create water (H2O) and _____.
A sulfer
Nitrogen
Carbon dioxide
A salt
25
A ____ is capable of igniting and burning.
Carcinogen
Chemical
Combustible
Mutagen
26
Safety Data Sheet replaced what?
The material safety data sheet (MSDS)
National Institutes of Health (NIH)
Occupational Safety and Health Administration (OSHA)
The environmental protections agency (EPA)
27
The overexposure principle is used to describe how over exposure determines _______.
Safety
Tolerance
Immunity
Toxicity
28
PH is an abbreviation of _____.
Potential hydrogen
Pure hydrochloric acid
Probable H2O
Productivity high
29
Guide lines for properly storing chemicals include all of the following EXCEPT…
Never dispose of chemicals in their original containers
Never allow chemicals to sit out
Never haphazardly combine two chemcials
Always lock up chemicals when not in use
30
When mixing chemicals, one should use a measuring device.
False
True
