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Ch 12 Chemistry Flashcards | StudBud
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Ch 12 Chemistry
Ch 12 Chemistry
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Flashcards
30 cards
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Questions
30
Answers
1
when two or more atoms are joined together chemically, a(n) ___ is created
neuron
molecule
atom
electron
2
pure water with a pH of 7 is considered to be ___
mineral
acid
neutral
alkaline
3
substances that cannot be reduced to simpler substances are called ___
gases
solutes
bases
elements
4
a chemical reaction in which oxygen is subtracted from or hydrogen is added to a substance
physical change
oxidation reaction
reduction reaction
organic reaction
5
Only products that contain ____ can have a pH
hydroxide
water
alcohols
hydrogen
6
organic chemistry of all substances containing___
carbon
sulfur
nitrogen
hydrogen
7
All matter exists in one of three different physical forms: solid, liquid, and ___
gas
water
solution
energy
8
___ has the ability to dissolve more substances than any other solvent
hydrogen peroxide
water
ethyl alcohol
isopropyl alcohol
9
a new substance formed by chemically combining two or more atoms of different elements
synthetic
compound
emulsion
solution
10
what term refers to anything that occupies space and exists in a solid, liquid, or gas form?
compound
element
organic substance
matter
11
the branch of chemistry that deals with products without carbon is called ___
atomic chemistry
molecular chemistry
inorganic chemistry
organic chemistry
12
a product with a pH of 8.9 is considered ___
balanced
neutral
acid
alkaline
13
a substance that adds hydrogen to a compound or subtracts oxygen from the compound
oxidizing agent
hydrogen agent
reaction agent
reducing agent
14
basic unit of matter that cannot be divided into simpler substances by ordinary chemical means
electron
proton
neuron
atom
15
when a substance gains oxygen, the substance is ___
oxidized
reduced
suspended
subtracted
16
the separating of a substance into ions is known as ___
deionization
canonization
ionization
decomposition
17
a mixture of two or more substances that are united with the aid of a binder
emulsion
suspension
ointment
solution
18
the tail of a surfactant molecule is ___, meaning "oil-loving"
hydrophilic
lipophilic
neophilic
oligophilic
19
an unstable physical mixture of undissolved particles in a liquid is known as a(n) ___
surfactant
solution
emulsion
suspension
20
Liquids that mix easily are known as ___
compatible
incompatible
immiscible
miscible
21
a combination to substances that are held together by physical rather than chemical ties
solvent
synthesis
physical mixture
compound
22
what type of change occurs when ice melts and becomes water?
soluble
physical
chemical
reactive
23
When acids and alkalis are mixed together in equal proportions, they ___ each other
react with
combine with
oppose
neutralize
24
When one chemical changes its state of matter, the change is called a ____
compound
chemical change
physical change
reaction
25
the head of a surfactant molecule is ___, meaning "water-loving"
amphilic
hydrophilic
oligophilic
lipophilic
26
Everything known to exist in the universe is either made of matter or _____
molecules
water
chemicals
energy
27
in creating a solution, the liquid used to dissolve a substance is called the ___
suspension
solute
solvent
emulsion
28
what is a special type of oil used in nail polish dryers and as a skin protectant?
ammonia
glycerine
alcohol
silicone
29
what is made when salt is dissolve in water?
emulsion
solution
ointment
suspension
30
substances that act as a bridge to allow oil and water to mix or emulsify
surfactants
solutions
miscibles
compounds