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WorksheetsFE Chemistry
Total questions: 27
Worksheet time: 14mins
_____ haircolors, also known as vegetable haircolors, such as henna, are colors obtained from the leaves or bark of plants.
Temporary
Semipermanent
Demipermanent
Natural
Dye precursors that combine with hydrogen peroxide to form larger, permanent dye molecules are called _____.
demipermanent colors
base colors
primary colors
aniline derivatives
As part of their composition, all permanent haircoloring products and lighteners contain both a developer and a(n) _____.
alkalizing ingredient
neutralizing ingredient
decomposing agent
acidic agent
Which of the following are relaxers often marketed and sold as no mix–no lye relaxers?
Guanidine hydroxide relaxers
Potassium hydroxide relaxers
Sodium hydroxide relaxers
Ammonium thio relaxers
The angle at which a permanent wave rod is positioned on the head is referred to as _____.
rod direction
diagonal technique
wrapping point
base direction
Overprocessed hair that is further processed will become _____ and cause further damage, including breakage.
curlier
straighter
tinted
shorter
Alkaline waves, also known as _____, were developed in 1941.
hot waves
strong waves
weak waves
cold waves
In permanent waving, the shape and type of curl are determined by the shape and type of rod and the _____.
sectioning
hair length
long rods
wrapping method
The cortex of the hair is made up of millions of polypeptide chains cross-linked by three types of side bonds that are responsible for the elasticity and strength of the hair. These bonds are _____.
disulfide, trisulfide, and hydrogen
disulfide, salt, and hydrogen
disulfide, chlorine, and hydrogen
disulfide, salt, and oxygen
In the restructuring process, coarse, resistant hair with a strong compact cuticle requires a chemical solution that is _____.
highly alkaline
mildly acidic
strongly acidic
slightly alkaline
The _____ measures the acidity and alkalinity of a substance by measuring the quantity of hydrogen ions it contains.
radioactivity level
oxygen content
salinity
pH scale
Prior to a full-color application to a wig or hairpiece, it is recommended to perform a(n) _____.
allergy test
elasticity test
strand test
porosity test
Change in the form of a substance that does not cause a chemical reaction is a(n) _____ change.
anion
chemical
physical
matter
Water and alcohol (combined such as polish remover) are:
insoluble substances
a suspension when mixed together
examples of miscible liquids
form distinct layers when combined
A common volatile organic compound used in hair spray is _____.
hydrogen peroxide
ionized water
ethyl alcohol
ammonia water
Brushing, massaging, or shampooing the scalp is not recommended if the scalp is irritated, prior to a chemical or haircolor service, or before/after a _____ service.
facial
massage
consultation
highlighting
The main ingredient in most shampoos is _____.
detergent
water
surfactants
botanicals
_____ water has had impurities, such as calcium, magnesium, and other metal ions, removed.
Distilled
Ionized
Deionized
Purified
Any substance that occupies space and has mass
element
atom
matter
molecule
A chemical combination of two or more atoms.
element
matter
atom
molecule
_________________ does not occupy space or have mass.
energy
element
atom
molecule
This the study of substances that contain the element carbon.
inorganic chemistry
organic chemistry
trichology
physiology
The chemical reaction caused when oxidation and reduction take place at the same time is commonly referred to as _________________.
redox
oxidation
lanthionization
reduction
Hydrogen peroxide is a(n) _________________.
reducing agent
pure substance
oxidizing agent
surfactant
A surfactant molecule has two distinct parts. The head is __________________ ,meaning water-loving.
hydrophobic
hydrophilic
liphophobic
lipophilic
A surfactant molecule has two distinct parts. The tail is __________________ ,meaning oil-loving.
hydrophilic
lipophilic
liphophobic
hydraphibic
What does pH stand for?
possible hydroxide
possible hydrogen
potential hydroxide
potential hydrogen
