PASSED Exam Questions and CORRECT
Answers
acidic solution - Correct ANSWER- a solution that has a pH below 7.0 (neutral)
alkaline solution - Correct ANSWER- a solution that has a pH above 7.0 (neutral)
alkalis - Correct ANSWER- also known as bases; compounds that react with acids to form salts
alkanolamines - Correct ANSWER- alkaline substance used to neutralize acids or raise the pH
of many hair products
alpha hydroxy acids - Correct ANSWER- abbreviated AHAs; acids derived from plants ( mostly
fruit) that are often used to exfoliate the skin
ammonia - Correct ANSWER- colorless gas with pungent odor that is composed of hydrogen
and nitrogen
anion - Correct ANSWER- an ion with a negative electrical charge
atoms - Correct ANSWER- the smallest chemical components ( often called particles) of an
element; structures that make up the element and have the same properties of the element
cation - Correct ANSWER- an ion with a positive electrical charge
chemical change - Correct ANSWER- a change in the chemical composition or make up of a
substance
chemical properties - Correct ANSWER- characteristics that can only be determined by a
chemical reaction and a chemical change in the substance
chemistry - Correct ANSWER- science that deals with the composition, structures, and
properties of matter, and how matter changes under different conditions
combustion - Correct ANSWER- rapid oxidation of a substance, accompanied by the production
of heat and light.
compound molecules - Correct ANSWER- also known as compounds; a chemical combination
of two or more atoms of different elements in definite (fixed) proportions
element - Correct ANSWER- the simplest form of chemical matter; an element can not be
broken down into a simpler substance without the loss of identity