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WorksheetsCh 6 Chemistry
Total questions: 40
Worksheet time: 20mins
What should beauty professionals study and have a thorough understanding of chemistry?
because every product used in beauty and wellness contains some type of chemical.
because is it unrelated to the safe operation of a salon, spa, or barbershop.
because clients often quiz beauty professionals on this important knowledge.
because chemistry experiments are often practice at salons, spas, and barbershop.
The effects of cosmetics and beauty products are based on which of the following?
How the body reacts to chemicals
How friends and family members react to a new look
How pleased the beauty professional is with the results
How favorably the new styles compare with the old.
Which of the following is TRUE of creams, lotions, masks, and makeup?
They never contain chemicals
They only contain chemicals if they are not made from natural sources such as plants extracts
They only contain chemicals if they come from ingredients manufactured in a lab
they contain chemicals whether they come from natural sources or from ingredients manufactured in a lab
Any substance that occupies space and has weight is
a chemical
matter
potentially dangerous
a beauty product
Everything you can touch and everything you can see is matter EXCEPT
liquids and gases
chemicals and powders
light and electricity
living and once-living bodies
Which of the following is the simplist form of chemical matter?
a liquid
a gas
an element
a chemical
How many elements are known to science today?
118
108
81
18
Of all the elements known to science today, how many occur naturally on Earth?
18
19
89
98
_____ are the basic units of matter.
Electrons
Neutrons
Protons
Atoms
Which of the following is an example of a compound molecule?
the oxygen we breathe
the ozone layer
common table salt
pure nitrogen
Which of the following is an example of a chemical change?
ice melting to become water
water evaporating into the air
exposed metal rusting
liquid nail polish hardening
Which of the following is TRUE when salt is dissolved into water?
Water is the solute and salt is the solvent
Salt is the solute and water is the solvent
Salt and water are both solutes
Salt and water are both solvents
Which of the following is TRUE of all liquids?
they are miscible
they are immiscible
they are both miscible and immiscible
they are either miscible or immiscible.
When immiscible liquids are combined, they form
solutions
suspensions
miscible liquids
stable mixtures
What is a solute?
a stable physical mixture of two or more substances
a substance that dissolves a solvent and makes a solution
a substance that is dissolved in a solution
a liquid not capable
What is a solvent?
a stable physical mixture of two or more substances
a substance that dissolves a solute and makes a solution
a substance dissolved into a solution
a liquid not capable of being mixed to form a stable solution
Which of the following is TRUE of solutions?
they are immiscible
they are surfactants
they are usually a solid color
they are stable mixtures
Which of the following were the first surfactants?
motor oils
cooking oils
soaps
nail polishes
The overexposure principle is used to describe how over exposure determines
tolerance
toxicity
safety
immunity
pH is an abbreviation of
potential hydrogen
probable H2O
pure hydrochloric acid
productively high
Why is understanding pH important for the beauty and wellness professional?
because it is essential for passing all exams
because employers require it
because it affects the hair, skin, and nails
because it is directly related to income potential.
The pH scale is used to measure
acidity and alkalinity
overexposure and underexposure
levels of carbon dioxide
levels of oxygen
All acids owe their chemical reactivity to
oxygen
the hydrogen ion
everexposure
alkalis
For which of the following purposes would acids most likely be used?
to raise the pH of products
to swell the hair
to exfoliate the skin
to soften calloused skin
Acid-alkali neutralization reactions occur when an acid is mixed with an alkali in equal proportions, balancing the total pH and forming water (H2O) and
salt
nitrogen
carbon dioxide
a sulfur
What does an oxidizing agent do?
absorbs oxygen
releases oxygen
increases oxygen
nullifies oxygen
What does a reducing agent do?
adds hydrogen to a chemical compound
subtracts hydrogen from a chemical compound
adds oxygen to a chemical compound
subtracts nitrogen from a chemical compound
What accompanies the rapid oxidation of a substance during combusion?
the production of heat and light
an endothermic reaction
neutralization
an ionization of the substance
Which of the following is TRUE of products that are incompatible?
No two should be stored next to each other
they can be safely mixed with proper precautions
they should never be used on clients
hthey are always considered dangerous
Why should ammonia never be mixed with bleach?
it "discolors" more than lightens the hair
It dries out skin excessively
it creates a potentially deadly gas
They become unpredictable in their use
When mixing chemicals, one SHOULD
avoid rooms or areas that are well ventilated
add the water to the chemical, not the other way around
never use secondary containers, such as spray bottles
use a measuring device, such as a measuring cup or spoon
Which of the following is TRUE today of the disposal of many of the chemicals used in salons, spas, and barbershops?
There are no regulations in place anywhere across the US
Most states and counties do not have regulations in place
Most states and counties have regulations in place
There are strict and universal regulations in place across the US
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
Always lock up chemicals when not in use
Never haphazardly combine two chemicals
What did the SDS replace?
MSDS
EPA
NIH
OSHA
An SDS is formatted into _____ categories
16
12
10
8
How many accepted pictograms are included in all SDS?
3
6
9
16
SDS are designed for
use in an emergency
use only by new employees
use only by managers
everyday use
In the uniform order of the SDS, which of the folowing comes immediately after the first category of "Identifications"?
Hazard Identification
First-Aid Measures
Toxicology Information
Disposal Considerations
Which of the following BEST describes a carcinogen?
a substance that causes cancer
a substance made of carbon
a material capable of igniting or burning
a material that is very easy to ignite
A ____ is capable of igniting and burning.
combustible
carcinogen
mutagen
chemical
