1
The innermost layer of hair:
a) cuticle b) cortex c) medulla d) hair strand
medulla
A neutron is a___________ particle with zero electrical charge and a mass equal to that of a proton:
a) positive b) negative c) neutral d) none of the above
neutral
Natural hair dye is a non-professional haircolor, also known as:
a) vegetable hair dye b) mineral dye c) lightening dye d) none of the above
vegetable hair dye
The chemical reaction in which oxygen is added to an element or compound:
a) pre-softening b) blending c) combustion d) oxidation
oxidation
Primary colors consist of:
a) red, green, orange b) red, yellow, green c) red, green, blue d) red, yellow, blue
red, yellow, blue
The coloring matter that provides the natural color to our hair and skin:
a) pigment b) melanin c) dye d) bond
melanin
Hair as it grows out from the scalp that has not been chemically treated:
a) re-touch b) single process c) resistant d) new growth
new growth
An example of overlapping would be when the haircolor products spread onto:
a) previously colored hair b) previously lightened hair c) new growth d) both a and b
both a and b
Potential hydrogen (pH) is the concentrated amount of hydrogen ions in a solution containing:
a) salt b) oxygen c) water d) ammonia
water
Diffusing or lifting the natural hair color to achieve the desired end result:
a) lowlighting b) pre-lightening c) dyeing d) haircoloring
pre-lightening
Chemistry is the science that deals with the composition, structures, and properties of:
a) matter b) chemicals c) haircolor d) oxygen
matter
The branch of chemistry that deals with products containing carbon:
a) organic chemistry b) inorganic chemistry c) atomic chemistry d) molecular chemistry
organic chemistry
A patch test displaying rash, hives, swelling or inflammation has a reaction:
a) positive b) negative c) safe d) general
positive
Pheomelanin produces pigments in the hair:
a) red to violet b) yellow to red c) orange to brown d) brown to black
yellow to red
Increasing the porosity of the hair by opening the cuticle and allowing for more pigment to be absorbed:
a) pre-toning b) pre-lightening c) pre-softening d) pre-coloring
pre-softening
This type of lightener is available in cream, oil and some powder forms:
a) single lighteners b) off the scalp lighteners c) on the scalp lighteners d) purple lighteners
on the scalp lighteners
Quick lighteners are another name for:
a) single lighteners b) off the scalp lighteners c) on the scalp lighteners d) purple lighteners
off the scalp lighteners
Oxidative haircolor creates a chemical change in the hair, providing haircolor results:
a) longer lasting b) blending c) combustion d) oxidation
longer lasting
Pigment is what gives color its color; its source can be natural, mineral or:
a) physical b) chemical c) both a and b d) neither a nor b
chemical
A 24 to 48 hour test to check for sensitivity and/or allergic reaction:
a) strand b) oxidation c) predisposition d) hair
predisposition
Non-oxidative haircolor does not change the hair chemically and is used to:
a) darken color b) add subtle tone c) impart shine d) all of the above
all of the above
Molecules are two or more atoms joined, and retain their chemical and physical properties
to form matter:
a) physically b) chemically c) forcibly d) electrically
chemically
A chemical reaction in which the oxidizing agent is reduced, and the reducing agent is oxidized:
a) oxidation-reduction b) redox c) decolorization d) both a and b
both a and b
The strongest category of haircolor that can deposit and lighten natural pigments:
a) semi-permanent b) demi-permanent c) permanent d) decolorizers
permanent
Redox is also known as:
a) combustion b) peroxide c) developer d) oxidation-reduction
oxidation-reduction