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chapter 6 basics of chemistry Flashcards | StudBud
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chapter 6 basics of chemistry
chapter 6 basics of chemistry
73 terms
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1
for a product to have a pH it must contain
water
wax
oil
petroleum jelly
2
anything that occupies space,has physical and chemical properties exists in a solid,liquid or gas form is known as
elements
organic substance
matter
compounds
3
the separating of a substance into ions is known as
deionization
cation
ionization
decomposition
4
an ion with a negative electrical charge is called
an anion
a VOC
a bunion
a cation
5
a permanent mixture of 2 or more substances that are united with the aid of a binder is
suspension
solution
emulsion
ointment
6
when 2 or more atoms are joined together chemically what is created
molecule
atom
neuron
electron
7
molecules are made by combining
matter and energy
organic and inorganic substances
atoms
elements
8
inorganic chemistry is the study of substances that
do not contain carbon but may contain hydrogen
contain both carbon and hydrogen
contain neither carbon nor hydrogen
do not contain hydrogen but may contain carbon
9
the human body is made
of neither energy nor chemiclas
entirely of energy
entirely of chemicals
of both energy and chemicals
10
when fermented to make wine, the sugar in grapes is converted into
distilled water
soft water
ethyl alcohol
cetyl alcohol
11
there are ___naturally occurring elements
26
90
81
117
12
substances that act as a bridge to allow oil and water to mix or emulsify are
compounds
miscibles
solution
surfactants
13
which of the following are immiscible liquids
water and oil
water and alcohol
polish remover and water
peroxide and alcohol
14
in creating a solution, the liquid used to dissolve a substance is called the
emulsion
suspension
solute
solvent
15
when 2 or more elements combine chemically they form a new substance called
compound
mixture
suspension
solution
16
the tail of a surfactant molecule is ? meaning oil loving
lipophilic
oilophilic
hydrophilic
aquaphillic
17
acid turns litmus paper from
red to blue
blue to red
yellow to green
green to yellow
18
which of the following is a physical property
color
ability to burn
ability to rust
ability to harden
19
another name for alkalis is
bases
metals
non metals
foundations
20
a pH of 13 is
somewhat acidic
neutral
very acidic
highly alkaline
21
the branch of chemistry that deals with products that do not contain carbon is called
molecular chemistry
organic chemistry
atomic chemistry
inorganic chemistry
22
the more hydrogen ions a substance has, the___it will be
less acidic
more alkaline
more neutral
more acidic
23
mayonnaise is an example of
an oil in water emulsion
a solution
a water in oil emulsion
a suspension
24
there are about ? naturally occurring elements, each with its own distinctive physical and chemical properties
60
90
70
80
25
pure water has ___pH
an acidic
a neutral
an alkaline
a negative
26
a special type of oil used in nail polish dryers and as a skin protectant is
silicone
glycerine
ammonia
alcohol
27
the head of a surfactant molecule is ? meaning water loving
aquaphilic
oilophilic
hydrophilic
lipophilic
28
liquids have
a definite shape but not a definite volume
a definite shape and volume
a definite volume but not a definite shape
neither a definite shape nor definite volume
29
? organic compounds are substances containing carbon and evaporate very quickly and easily
volatile
resolute
liquescent
weighty
30
liquid soaps are usually
slightly alkaline
very acidic
slightly acidic
neutral
31
pure water with a ph of 7 is considered to be
mineral
alkaline
neutral
acid
32
what is the letter symbol for carbon
ca
C
Ca
c
33
what type of change occurs when ice melts and becomes water
physical
chemical
soluble
reactive
34
alkalis feel__on the skin
hot
gritty
abrasive
slippery
35
when a substance is combined with oxygen, the substance is
suspended
subtracted
oxidized
reduced
36
organic chemistry is the study of all substances containing
sulfur
carbon
hydrogen
nitrogen
37
what is O3 commonly known as
water
oxygen
carbon dioxide
ozone
38
ice is an example of water in a ____state
gaseous
liquid
vapor
solid
39
a combination of substances that are held together by physical rather than chemical ties is called a
mixture
solvent
compound
synthesis
40
which of the following is known as the universal solvent
acid
oxygen
water
oil
41
a__is a physical combination of matter in any proportions
physical mixture
compound molecule
chemical mixture
pure substance
42
S is the symbol for what element
sodium
sulfur
selenium
silicon
43
the head of the surfactant molecule is
neither of these answers is corect
both of these answers are correct
lipophillic
hydrophillic
44
a preparation made by dissolving a solid,liquid, or gaseous substance in another substance is
an ointment
an emulsion
a solution
a suspension
45
substances that cannot be reduced to simpler substances are called
elements
bases
solutes
gases
46
the ability of artificial nails to harden is an example of
a physical property
a state of matter
substance reorganization
a chemical property
47
temporary mixtures of 2 kinds of matter are
suspensions
emulsions
solutions
mixtures
48
any substance that occupies space and has mass is considered
matter
inorganic
chemical
organic
49
the formation of a new product by the uniting of 2 or more elements is known as
a synthetic
a solution
a compound
an emulsion
50
organic means that a substance contains both carbon and hydrogen from natural or___source
homegrown
man made
healthy
synthetic
51
which of the following is not a pure substance
atoms
compound molecues
elemental molecules
saltwater
52
organic substances burn because they contain both
oxygen and helium
carbon and hydrogen
hydrogen and helium
carbon and oxygen
53
an alteration of the properties of a substance without the formation of a new substance is a
compound
chemical change
physical change
mixture
54
a chemical reaction that releases a significant amount of heat is considered
exothermic reaction
exospheric reaction
physical reaction
endothermic reaction
55
as alkalinity increases, acidity
sometimes increases, sometimes decreases
remains the same
increases
decreases
56
liquids that mix easily are known as
immiscible
miscible
compatible
incompatible
57
emulsions
never separate
separate very slowly over time
seperate somewhat quickly
seperate immediately
58
which of the following is not made with a combination of petrolatum,oil and wax
ointment
styling mousse
pomade
styling wax
59
which of the following is not matter
wood
water
light
soil
60
a molecule is formed by joining two or more ? chemically
protons
anions
atoms
neurons
61
the smallest particle of an element is the
electron
proton
atom
neuron
62
the simpliest form of chemical matter is called
a molecule
energy
a particle
an element
63
if a product has a ph of 8.9 it is considered
acid
alkaline
neutral
balanced
64
solutions are usually
dark in color
bright in color
opaque
transparent
65
glycerin is
dark in color
a colorful, dry substance
used as a solvent in body creams
a bitter substance
66
what does Ph stand for
potenial hydrogen
percent hydrogen
potential helium
penetrating hydration
67
an atom that carries an electrical charge is called an
ion
electron
proton
neutron
68
science that deals with the composition,structures and properties of matter & how they change under different conditions
organic chemistry
meteorology
chemistry
biology
69
nail polish is
an organic substance
neither organic or inorganic
an inorganic substance
both an organic and inorganic substance
70
which following is an unstable mixture of 2 or more substances that normally will not stay blended without aid of binder
surfactant
emulsion
solution
suspension
71
a___is a stable uniform blend of 2 or more substances
immiscible liquid
solvent
solution
miscible liquid
72
which of the following characteristics does not apply to matter
it has electric current
it exists in the form of a solid,liquid or gas
it has physical and chemical properties
it is made from chemicals
73
silicones
form a breathable film that does not cause comedones
are more greasy than other oils
give hair a dulled apperance
impart a grainy feel on the skin