WorksheetsFoundations CH 6 Chemistry
Total questions: 23
Worksheet time: 15mins
Color change, odor change, and bubbles are signs that a ________ might have occurred.
energy change
physical change
chemical change
matter that consists of just one kind of atom
element
compound
homogeneous mixture
heterogeneous mixture
Matter has characteristics that are classified as
physical properties
element
chemical properties
compound
What are changes in which the matter's identity stays the same?
physical properties
physical changes
chemical properties
chemical changes
a substance that can't be broken down into simpler substances without loss of identity is a/an ________.
compound
ion
molecule
element
a substance that has a pH below 7 is considered to be ______.
neutral
alkaline
acidic
combustile
the ingredient used to raise the pH in hair products to allow the solution to penetrate the hair shaft is _____.
amino acids
ammonia
alkaline solutions
alpha hydroxy acid
A colorless liquid or white crystals with a strong unpleasant odor that is used in perm solutions
Ammonia
Volatile Alcohol
Silicone
Thioglycolic Acid
The substance that is dissolved in a solution
Solution
Solvent
Solute
A contraction of surface active agents; substances that allow oil and water to mix
suspensions
surfactants
solvents
An ion with a positive electrical charge
Cation
Anion
Ion
Material that is capable of igniting and burning
Flammable
Emulsifier
Exothermic
Combustion
Capable of combining with or attracting water (water loving)
hydrophilic
lipophilic
Liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
immiscible
incompatible
miscible
solution
A substance that causes or is believed to cause cancer
combustible
mutagen
carcinogen
A chemical combination of two or more atoms of different elements in definite (fixed) proportions
compound
Compound molecules
elemental molecule
An alpha hydroxy acid used in exfoliation and to lower the pH of products
(a)
Colorless gas with a pungent odor that is composed of hydrogen and nitrogen
(a)
Also known as bases, compounds that react with acids to form salts
(a)
Acids derived from plants (mainly fruit) that are often used to exfoliate the skin
(a)
Alcohols that evaporate easily
(a)
