WorksheetsCosmetology Chemistry Quiz
Total questions: 50
Worksheet time: 26mins
a substance that releases oxygen
reducing agent
oxidizing agent
oxidization
secret agent
Atoms that are the same form a(n)_________
compound
mixture
element
emulsion
Carbon, nitrogen, oxygen & hydrogen form the basis of_____
mixtures
elements
compounds
amino acids
atoms that are different form a (n) ______
mixture
compound
element
emulsion
the main ingredient in shampoo
salt
hydrogen
water
detergent
5 elements of hair
Carbon, Oxygen, Hydrogen, Nitrogen, Sulfur
Carbon, Oxygen, Hydrophil, Nitrogen, Sulfur
Carona, Oxygen, Hydrogen, Nitrogen, Sulfur
Carbon, Oxygen, Hydroflask, Nitrogen, Sulfate
all matter consists of atoms which make up ______
elements
compounds
matter
chemistry
rapid oxidation of a substance accompanied by the production of heat and light
bomb
combustion
convulsing
fire
Chemical reaction where heat is added
Endothermic Reaction
Empathermic Reaction
Exothermic Reactiong
Ellothermic Reaction
Atoms with no missing electrons are...
unstable
fragile
stable
neutral
three parts of an atom
Smallest unit of an element
which of the following has a negative charge
proton
neutron
electron
my attitude towards this class
the study of matter and the chemical and physical changes
anything that occupies space and has weight
chemistry
atoms
two types of chemistry
living and dead
organic and living
organic and inorganic
nonliving and inorganic
substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
combusion
oxidation
organic chemistry deals with living things that contain ______
oxygen
carbon
hydrogen
nitrogen
3 forms of matter
protons, electrons, neutrons
atoms, electrons, protons
solid, liquid, mass
change in the characteristics of a substance that does not create a new substance
chemical change
physical change
melting change
freezing change
choose the side bonds important in this profession
salt bonds
pepper bonds
hydrogen bonds
Van der Woodsen Forces
disulfide bonds
putting a sodium hydroxide relaxer under a hair dryer will have what effect?
link together all protein groups
turn into Van der Waals Forces
increase the hair's amino acid content
break the chemical peptide bonds & destroy the protein structure
change in the characteristics of a substance resulting in the creation of a new substance
physical change
biological change
nuclear change
chemical change
chemical reaction that combines a substance with oxygen to produce an oxide
which side bond is of the greatest concern for salon professionals?
Salt bond
hydrogen bond
disulfide bond
van der waals forces
which side bonds are easily broken by heat and water?
Salt Bond
Hydrogen Bond
Disulfide Bond
Van der Waals Forces
Basic substance that cannot be broken down into simpler substances are called ______
H20 (water) is an example of a ______
what type of bond is the backbone of all protein molecules?
Salt bond
Keratin
Chemical reaction when oxidation & reduction occur at the same time
Oxidation Reduction
Redox Reaction
Precipitation Reaction
A solution that has more positive hydrogen ions than negative hydroxide ions is...
Distilled water is considered ____
Acidic
A Salt
Neutral
what is the pH range of hair skin and nails?
6.5-7.5
3.5-4.5
5.5-6.5
two or more non mixable solutions (like oil & water)
emulsions
suspensions
ointments
powders
mixture of fats and oils converted to fatty acids
solutions
soaps
immiscible
miscible
two or more kinds of molecules; tend to separate
emulsions
ointments
solutions
suspensions
liquids not able to be mixed
miscible
solutions
immiscible
solvents
A mixture of two or more kinds of molecules, evenly dispersed, would be a(n):
The ability of hair to absorb moisture, liquids or chemicals refers to the hair's:
what does pH stand for?
Potential Hydration
Potent Hydrogen
Potential Hydrogen
Potential Hydros
Substance that increases the hydrogen ion concentration when placed in water
Hair is naturally...
Alkaline
Acidic
Neutral
the oil-loving part of a surfactant is called____
hydrophilic
two or more the the same atoms joined together by a chemical bond is a(n):
protein
neutron
electron
molecule
the bonds found within hair that help organize protein chains in order to build hair are called___
side bonds
water bonds
ionic bonds
van der waals forces
which of the following cosmetic classifications represents a mixture of two or more kinds of molecules, evenly dispersed?
solution
emulsion
ointment
suspension
the instructions on a product state to shake well before use, which indicates the product is a(n)____
solution
ointment
emulsion
suspension
what is formed when two or more immiscible substances are united with the help of a binder?
solution
powder
ointment
emulsion
what is the name given to purify water by passing it through a porous substance?
emulsion
filtration
hydrophilic
sedimentation
a surfactant is a cleaning agent that has two important parts. What are they?
liposilic
lipophilic
hydrophobic
hydrophilic
