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esthetician exam - chemistry
esthetician exam - chemistry
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1
in order to neutralize an alkaline solution you would add a/an:
acid solution
pH balanced solution
oxide solution
ammonia solution
2
pure water is considered to be:
acid
alkaline
reactive
neutral
3
if a solution has more hydrogen ions than hydroxide ions it is:
combined
acid
neutral
alkaline
4
a stable mixture where the solute is uniformly dispersed in a solvent:
solution
ointment
powder
suspension
5
chemically treated water is referred to as:
hard water
ionized water
soft water
ammonia water
6
on the pH scale 7.1 to 14 indicate a solution is:
combined
neutral
acid
alkaline
7
the two parts of a surfactant are the oil-loving (lipophilic end) and the water-loving or:
volatile end
lipophilic end
hydrophilic end
emulsion end
8
the pH scale is a:
richter scale
hydrogen scale
logarithmic scale
arithemic scale
9
the branch of chemistry that deals with living things (current or past) and contain the element carbon:
organic chemistry
organic biology
inorganic elements
inorganic chemistry
10
neutral on the pH scale is represented by what number:
8.1
4.5
7
5.5
11
a substance capable of dissolving another substance is called a/an:
emulsion
solvent
binder
solute
12
the basic forms of matter are:
liquid and gas
gas, semi-hard solid and liquid
solids both soft and hard
solid, liquid and gas
13
something that has a definite weight, volume and shape is a:
liquid or gas
solid
gas
liquid
14
two or more liquids that can be mixed together and stay mixed are said to be:
heterogeneous
suspensions
miscible
immiscible
15
matter is a substance that:
is only in living things
occupies areas we can't see
occupies space
melts metal
16
acid balanced means the solution is balanced between what range?
7.1 - 12.2
4.5 - 5.5
2.5 - 5.5
4.5 - 9
17
a gum-like substance that helps unite two unmixable particles is a called a/an:
miscible matter
hydroxy acid
emulsifier
alkanolamine
18
the element that distinguishes a living being from a non living being is:
carbon
oxygen
sulfur
hydrogen
19
two immiscible items that are held together with a binder:
suspension
solution
emulsion
ointment
20
pH stands for:
potentially harmful
professional hairstylist
physical hydrogen
potential hydrogen
21
a compound that reduces surface tension and increases the products spreadability:
suspension
surfactant
radicals
solution
22
an unstable, temporary mixture, that will separate over time:
solution
suspension
emulsion
ointment
23
the product used to bind or emulsify oil and water to create an emulsion is:
suspension
alkanolamine
surfactant
volatile alcohol
24
the changing of matter where it loses its identity and becomes something different:
ionic bonding
chemical change
covalent bond
physical change
25
the branch of science that deals with matter, how it interacts, combines and changes:
electricity
neurology
biology
chemistry
26
a group of atoms chemically bonded together is a/an:
nucleus
physical change
lesion
molecule
27
acid solutions has a pH of:
0 - 8.1
7.1 - 14
9 - 10
0 - 6.9
28
if a mixture does not separate upon standing, it is probably a/an:
solution
suspension
unstable mixture
solvent
29
another term for an alkaline solution is:
cation
anion
base
alkanolamine
30
the simplest form of matter that cannot be broken down further without losing its identity:
elements
compounds
atoms
molecules
31
elements are made up of:
compounds
covalent bonds
molecules
atoms
32
the most abundant substance or material in the body is:
hydrogen
carbon
silver
water
33
atoms have three parts:
protons, electrons and neutrons
proton, nucleus and electron
cell membrane, nucleus and cytoplasm
proton, neutron and electricity