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COS- Chapter 12 Flashcards | StudBud
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COS- Chapter 12
COS- Chapter 12
34 terms
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Basics of chemistry
Flashcards
34 cards
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Questions
34
Answers
1
Another name for alkalis is ______.
nonmetals
metals
bases
foundations
2
A combination of substances that are held together by physical rather than chemical ties is known as a ______.
solvent
synthesis
physical mixture
compound
3
What is made when salt is dissolved in water?
suspension
solution
ointment
emulsion
4
The branch of chemistry that deals with products without carbon is called ______.
molecular chemistry
organic chemistry
inorganic chemistry
atomic chemistry
5
Liquids that mix easily are known as _______.
miscible
immiscible
incompatible
compatible
6
When two or more atoms are joined together chemically, a ______ is created.
Electron
Atom
Neuron
Molecule
7
The separating of a substance into ions is known as ______.
decomposition
deionization
canonization
ionization
8
Everything known to exist in the universe is either made of matter or ______.
energy
molecules
chemicals
water
9
A mixture of 2 or more substances that are united with the aid of a binder is a _____.
emulsion
solution
ointment
suspension
10
Redox is known as ________.
reaction-oxidation
reduction-oxygenation
organic reaction
oxidation-reduction
11
Organic chemistry is the study of all substance containing _____.
Nitrogen
Hydrogen
Carbon
Sulfer
12
Because is has the ability to dissolve more substances than any other solvent, ____ is known as the universal solvent.
ethyl alcohol
hydrogen peroxide
isopropyl alcohol
water
13
Substances that can act as a bridge to allow oil and water to mix or emulsify are ______.
surfactants
miscibles
solutions
compounds
14
The head of the surfactant molecule is ______, meaning water-loving.
oligophilic
amphiphilic
hydrophilic
lipophilic
15
What is the basic unit of matter that cannot be divided into simpler substances by ordinary chemical means?
Atom
Electron
Proton
Neutron
16
A substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound is known as a(n) ______.
hydrogen agent
oxidizing agent
reducing agent
reaction agent
17
Substances that cannot be reduced to simpler substances are called _______.
Bases
Gases
Elements
Solutes
18
A new substance formed by chemically combining two or more atoms of different elements is known as ______.
synthetic
compound
solution
emulsion
19
The tail of a surfactant molecule is _____, meaning oil-loving.
oligophilic
neophilic
hydrophilic
lipophilic
20
When one chemical changes its state of matter, the change is called a _____.
physical change
reaction
chemical change
compound
21
What is a special type of oil used in nail polish dryers and as a skin protectant?
alcohol
silicone
glycerin
ammonia
22
Pure water with a pH of 7 is considered to be ______.
mineral
neutral
acidic
alkaline
23
Nail polish containing glitter is an unstable physical mixture of undissolved particles in a liquid, which is known as ?
solution
emulsion
surfactant
suspension
24
In creating a solution, the liquid used to dissolve a substance is called the _____.
emulsion
suspension
solvent
solute
25
When a substance gains oxygen, the substance is _______.
oxidized
subtracted
reduced
suspended
26
When acids and alkalis are mixed together in equal proportions, they ______ each other.
react with
combine with
neutralize
oppose
27
All matter exists in one of three different physical forms, which is NOT one of them?
Liquid
Solution
Gas
Solid
28
A chemical reaction in which oxygen is subtracted from or hydrogen is added to a substance is called a(n) _____.
organic reaction
reduction reaction
oxidation reaction
physical change
29
What type of change occurs when ice melts and becomes water?
reactive
physical
chemical
soluble
30
A product with a pH of 8.9 is considered _____.
neutral
balanced
alkaline
acidic
31
When two or more atoms are joined together chemically, a/an ________ is created.
electron
neuron
molecule
atom
32
Only products that contain _____ can have a pH.
water
hydrogen
alcohols
hydroxide
33
Which substance is an example of an elemental molecule?
ozone
distilled water
silicone
ethyl alcohol
34
What term refers to anything that occupies space, and exists in a solid, liquid, or gas form?
organic substance
compound
element
matter