AEA CERTIFICATION EXAM PREP 2026 STUDY
GUIDE WITH VERIFIED SOLUTIONS
◉ inorganic chemistry is the study of substances that do not contain
the element carbon, but may contain which element Answer:
hydrogen
◉ an __ is a substance that cannot be broken down into simpler
substances without loss of identity Answer: element
◉ Chemical in joining two or more atoms in definite proportions
forms Answer: molecule
◉ an __ is a stable physical mixture of two or more substances
Answer: solution
◉ an __ is a substance dissolved into a solution Answer: solute
◉ liquids that Are not capable of being mixed into stable solutions
are considered Answer: immiscible
◉ solutions that contain undissolved particles that are visible to the
naked eye are known as Answer: suspensions
,◉ an __ is a mixture of two or more immiscible substances united
with the aid of a binder Answer: emulsion
◉ a __ is a substance that acts as a bridge to allow oil and water to
mix or emulsify Answer: surfactant
◉ the tail of a surfactant molecule is oil- loving or Answer: lipophilic
◉ a molecule that carries an electronic charge is called in Answer:
ion
◉ alpha hydroxy acids (AHAs) Answer: are used to exfoliate the skin
◉ an exothermic chemical reaction Answer: releases heat
◉ a substance that has a pH below 7.0 is considered to be Answer:
acidic
◉ alkanolamines are often used in place of ammonia because they:
Answer: produce less odor
,◉ whcih of these is not composed of organic chemical: Answer:
mineral
◉ elemental molecules contains two or more __ of the same element
in definite proportions. Answer: atoms
◉ vapor is a(n) ____ that has evaporated into a gas-like state:
Answer: liquid
◉ an oxidizing agent is a substance that releases: Answer: oxygen
◉ pure substances: Answer: have unique chemical and physical
properties.
◉ calamine lotion is an example of a(n): Answer: suspension
◉ water-in-iol emulsions feel ____ than oil-in-water emulsion
Answer: greasier
◉ a common use of _______ is raising the pH in hair products to allow
the solution to penetrate the hair shaft. Answer: ammonia
◉ volatile organic compounds contain _____ and evaporate very
easily. Answer: carbon
, ◉ which if these types of products has no pH: Answer: oils
◉ the chemical reaction that combines a substance with oxygen to
produce an oxide is: Answer: oxidization
◉ the term logarithm means multiples of: Answer: 10
◉ the process through which of oxygen is subtracted or hydrogen is
added to substance via a chemical reaction is: Answer: reduction
◉ any substance that occupies space and has mass is: Answer:
matter
◉ characteristics that can only be determined by chemical change in
the substance are: Answer: chemical properties
◉ a chemical combination of matter is definite proportion is a(n):
Answer: pure substance
◉ a physical combination of matter in any in any proportion is a:
Answer: physical mixture
GUIDE WITH VERIFIED SOLUTIONS
◉ inorganic chemistry is the study of substances that do not contain
the element carbon, but may contain which element Answer:
hydrogen
◉ an __ is a substance that cannot be broken down into simpler
substances without loss of identity Answer: element
◉ Chemical in joining two or more atoms in definite proportions
forms Answer: molecule
◉ an __ is a stable physical mixture of two or more substances
Answer: solution
◉ an __ is a substance dissolved into a solution Answer: solute
◉ liquids that Are not capable of being mixed into stable solutions
are considered Answer: immiscible
◉ solutions that contain undissolved particles that are visible to the
naked eye are known as Answer: suspensions
,◉ an __ is a mixture of two or more immiscible substances united
with the aid of a binder Answer: emulsion
◉ a __ is a substance that acts as a bridge to allow oil and water to
mix or emulsify Answer: surfactant
◉ the tail of a surfactant molecule is oil- loving or Answer: lipophilic
◉ a molecule that carries an electronic charge is called in Answer:
ion
◉ alpha hydroxy acids (AHAs) Answer: are used to exfoliate the skin
◉ an exothermic chemical reaction Answer: releases heat
◉ a substance that has a pH below 7.0 is considered to be Answer:
acidic
◉ alkanolamines are often used in place of ammonia because they:
Answer: produce less odor
,◉ whcih of these is not composed of organic chemical: Answer:
mineral
◉ elemental molecules contains two or more __ of the same element
in definite proportions. Answer: atoms
◉ vapor is a(n) ____ that has evaporated into a gas-like state:
Answer: liquid
◉ an oxidizing agent is a substance that releases: Answer: oxygen
◉ pure substances: Answer: have unique chemical and physical
properties.
◉ calamine lotion is an example of a(n): Answer: suspension
◉ water-in-iol emulsions feel ____ than oil-in-water emulsion
Answer: greasier
◉ a common use of _______ is raising the pH in hair products to allow
the solution to penetrate the hair shaft. Answer: ammonia
◉ volatile organic compounds contain _____ and evaporate very
easily. Answer: carbon
, ◉ which if these types of products has no pH: Answer: oils
◉ the chemical reaction that combines a substance with oxygen to
produce an oxide is: Answer: oxidization
◉ the term logarithm means multiples of: Answer: 10
◉ the process through which of oxygen is subtracted or hydrogen is
added to substance via a chemical reaction is: Answer: reduction
◉ any substance that occupies space and has mass is: Answer:
matter
◉ characteristics that can only be determined by chemical change in
the substance are: Answer: chemical properties
◉ a chemical combination of matter is definite proportion is a(n):
Answer: pure substance
◉ a physical combination of matter in any in any proportion is a:
Answer: physical mixture
