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Basics of Chemistry Flashcards | StudBud
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Basics of Chemistry
Basics of Chemistry
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1
Anything that occupies space, has physical and chemical properties, and exists in either a solid, liquid or gas is...
organic substance
compounds
matter
elements
2
The separating of a substance into ions is known as...
cation
deionization
decomposition
ionization
3
When a substance is combined with oxygen, the substance is...
oxidized
suspended
subtracted
reduced
4
If a product has a pH of 8.9, it is considered ...
neutral
acid
balanced
alkaline
5
Substances that act as abridge to allow oil and water to mix or emulsify are ...
solutions
surfactants
compounds
miscibles
6
When fermented to make wine, the sugar in grapes is converted into...
distilled water
cetyl alcohol
soft water
ethyl alcohol
7
When two or more elements combine chemically, they form a new substance called a...
suspension
compound
mixture
solution
8
There are about ____ naturally occurring elements, each with its own distinctive physical and chemical properties
90
60
80
70
9
A chemical reaction in which oxygen is subtracted from or hydrogen is added to a substance is called...
reduction reaction
physical change
organic chemistry
chemical change
10
Liquids that mix easily are known as...
miscible
immiscible
compatible
incompatible
11
Pure water with pH of 7 is considered to be...
neutral
acid
alkaline
mineral
12
Substances that cannot be reduced to simpler substances are called...
solutes
gases
elements
bases
13
An alteration of the properties of a substance without the formation of a new substance is...
mixture
compound
chemical change
physical change
14
The tail of a surfactant molecule is ______, meaning
oil-loving
hydrophilic
oilophilic
lipophilic
aquaphilic
15
A permanent mixture of two or more substances that are united with the aid of a binder is...
a solution
an emulsion
an ointment
a suspension
16
A substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound is known as...
an oxidizing agent
a reducing agent
a reaction agent
a hydrogen agent
17
A preparation made by dissolving a solid, liquid, or gaseous substance in another substance is...
a suspension
an ointment
a solution
an emulsion
18
Organic chemistry is the study of all substances containing...
hydrogen
nitrogen
sulfur
carbon
19
The branch of chemistry that deals with products that do not contain carbon is called...
organic chemistry
atomic chemistry
molecular chemistry
inorganic chemistry
20
A combination of substances that are held together by physical rather than chemical ties is called a ...
mixture
compound
solvent
synthesis
21
When two or more atoms are joined together chemically, what is created?
a neuron
an atom
an electron
a molecule
22
In creating a solution, the liquid used to dissolve a substance is called the...
solvent
suspension
solute
emulsion
23
Redox is a contraction for...
organic reaction
reduction-oxidation
reaction-oxidation
oxidation-reduction
24
The head of a surfactant molecule is ____, meaning
water-loving
.
oilophilic
lipophilic
aquaphilic
hydrophilic
25
What type of change occurs when ice melts and becomes water?
chemical
physical
soluble
reactive
26
The formation of a new product by the uniting of two or more elements is known as...
an emulsion
a solution
a synthetic
a compound
27
Temporary mixtures of two kinds of matter are...
emulsions
suspensions
solutions
mixtures
28
The smallest particle of an element is the ...
proton
electron
atom
neuron
29
A special type of oil used in nail polish dryers and as a skin protectant
ammonia
silicone
alcohol
glycerine
30
Another name for alkalis is...
nonmetals
metals
bases
foundations
31
______ organic compounds are substances containing carbon that evaporate very quickly and easily.
Weighty
Volatile
Resolute
Liquescent
32
A molecule is formed by joining two or more ______ chemically
protons
anions
atoms
neurons
33
_____ are substances used to neutralize acids or raise the pH of many hair products
alcohols
silicones
alkanolamines
ammonia