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Duplicate of Chemistry & Chemical Safety (NEW) Flashcards | StudBud
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Duplicate of Chemistry & Chemical Safety (NEW)
Duplicate of Chemistry & Chemical Safety (NEW)
30 terms
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Mylady Esthetics book
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Questions
30
Answers
1
Which of the following is TRUE of all liquids?
They are either miscible or immiscible.
They are immiscible.
They are both miscible and immiscible.
They are miscible.
2
Which of the following is the simplest form of chemical matter?
an element
a gas
a chemical
a liquid
3
Which of the following is TRUE of products that are incompatible?
They are always considered dangerous.
They should never be used on clients.
No two should be stored next to each other.
They can be safely mixed with proper precautions.
4
Which of the following BEST describes a carcinogen?
a material that is very easy to ignite
a material capable of igniting or burning
a substance made of carbon
a substance that causes cancer
5
Any substance that occupies space and has weight is?
potentially dangerous
a chemical
a beauty product
matter
6
pH is an abbreviation of?
probable H2O
potential hydrogen
pure hydrochloric acid
productively high
7
When mixing chemicals, one should?
add the water to the chemical, not the other way around
use a measuring device, such as a measuring cup or spoon
never use secondary containers, such as spray bottles
avoid rooms or areas that are well ventilated
8
All acids owe their chemical reactivity to?
the hydrogen ion
alkalis
oxygen
overexposure
9
What is a solute?
a stable physical mixture of two or more substances
a substance that is dissolved in a solution
a substance that dissolves a solvent and makes a solution
a liquid not capable of being mixed to form a stable solution
10
Guidelines for properly storing chemicals include all EXCEPT which of the following?
Never allow chemicals to sit out.
Never haphazardly combine two chemicals.
Never dispose of chemicals in their original containers.
Always lock up chemicals when not in use.
11
Why should ammonia never be mixed with bleach?
It dries out skin excessively.
It creates a potentially deadly gas.
They become unpredictable in their use.
It "discolors" more than lightens the hair.
12
If you were to leave the freezer open all night, all of the ice will melt. This is a result of?
an exothermic reaction
an endothermic reaction
neutralization
ionization
13
What does a reducing agent do?
subtracts hydrogen from a chemical compound
adds hydrogen to a chemical compound
subtracts nitrogen from a chemical compound
adds oxygen to a chemical compound
14
Which of the following is an example of a chemical change?
water evaporating into the air
ice melting to become water
exposed metal rusting
liquid nail polish hardening
15
What did the Safety Data Sheet (SDS) replace?
the Environmental Protection Agency (EPA)
the Occupational Safety and Health Administration (OSHA)
the National Institutes of Health (NIH)
the Material Safety Data Sheet (MSDS)
16
How many elements are known to science today?
118
18
108
81
17
Of all the elements known to science today, how many occur naturally on Earth?
18
19
89
98
18
What is a solvent?
a substance dissolved into a solution
a substance that dissolves a solute and makes a solution
a stable physical mixture of two or more substances
a liquid not capable of being mixed to form a stable solution
19
Which of the following is neutral to your skin?
a pH of 7
a pH of 14
a pH of 0
a pH of 5
20
Creams and lotions contain chemicals that come from natural sources or from ingredients manufactured in laboratory
False
True
21
When mixing chemicals, you should avoid all EXCEPT which of the following?
the use of uncertain chemicals
adding water to the chemicals
misreading chemical labels
well-ventilated areas
22
Which of the following is TRUE when salt is dissolved into water?
Salt is the solute and water is the solvent.
Water is the solute and salt is the solvent.
Salt and water are both solvents.
Salt and water are both solutes.
23
Which of the following is an example of a compound molecule?
common table salt
the oxygen we breathe
pure nitrogen
the ozone layer
24
How many accepted pictograms are included in all SDS?
6
3
16
9
25
For which of the following purposes would acids most likely be used?
to swell the hair
to exfoliate the skin
to soften calloused skin
to raise the pH of products
26
An SDS is formatted into how many categories?
8
16
12
10
27
What does an oxidizing agent do?
absorbs oxygen
increases oxygen
nullifies oxygen
releases oxygen
28
Why should beauty professionals study and understand chemistry?
It is unrelated to the safe operation of a salon.
Chemistry experiments are often regular in salons
Clients often quiz beauty professional.
Every product used in beauty & wellness contains some type of chemistry
29
Which of the following were the first surfactants?
soaps
nail polishes
motor oils
cooking oils
30
When immiscible liquids are combined, they form?
solutions
stable mixtures
miscible liquids
suspensions
