Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Chemistry is a. | a biological science. | c. | concerned mostly with living things. | b. | a physical
science. | d. | the study of
electricity. | | | | |
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2.
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Chemistry is defined as the study of the composition and structure of materials
and a. | the categories
of matter. | c. | the electrical
currents in matter. | b. | the changes in matter. | d. | molecules in living things. | | | | |
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3.
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Chemistry is the study of all of the following EXCEPT a. | matter. | c. | energy
associated with changes in matter. | b. | changes in matter. | d. | projectile motion. | | | | |
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4.
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The
branch of chemistry that includes the study of materials and processes that occur in living things
is a. | organic
chemistry. | c. | analytical
chemistry. | b. | physical chemistry. | d. | biochemistry. | | | | |
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5.
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The
branch of chemistry that is concerned with the identification and composition of materials
is a. | analytical
chemistry. | c. | physical
chemistry. | b. | inorganic chemistry. | d. | organic chemistry. | | | | |
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6.
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The
study of substances containing carbon is a. | organic chemistry. | c. | nuclear chemistry. | b. | inorganic
chemistry. | d. | analytical
chemistry. | | | | |
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7.
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Organic chemistry, inorganic chemistry, and physical chemistry are
NOT a. | biological
sciences. | b. | physical sciences. | c. | quantitative
branches of chemistry. | d. | concerned primarily with nonliving
things. | | |
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8.
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The
branch of chemistry concerned with the properties, changes, and relationships between energy and
matter is a. | inorganic
chemistry. | c. | physical
chemistry. | b. | analytical chemistry. | d. | theoretical chemistry. | | | | |
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9.
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Technology is the a. | application of chemical principles to predict
events. | b. | application of scientific knowledge to solve
problems. | c. | study of scientific processes. | d. | analysis of
chemical behavior. | | |
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10.
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An
example of technology is the a. | addition of a side group to an organic molecule during
synthesis. | b. | use of a new antibiotic to fight an
infection. | c. | measurement of iron concentration in a water
sample. | d. | study of atomic fusion reactions. | | |
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11.
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Basic
research is a. | the production
and use of products that improve our quality of life. | b. | carried out to
solve a problem. | c. | the identification of the components and composition of
materials. | d. | carried out for the sake of increasing
knowledge. | | |
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12.
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Applied research is a. | the production and use of products that improve our quality of
life. | b. | carried out to solve a problem. | c. | the use of
mathematics and computers to design and predict the properties of new
compounds. | d. | carried out for the sake of increasing
knowledge. | | |
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13.
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Which
statement is NOT true about applied research? a. | It is conducted to meet goals defined by specific
needs. | b. | It is usually carried out to solve a practical
problem. | c. | It is the study of how and why a specific reaction
occurs. | d. | It may not be driven primarily by scientific curiosity or a
desire to know. | | |
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14.
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Which
statement is NOT true about basic research? a. | It is carried out for the sake of increasing
knowledge. | b. | It is carried out to solve a specific
problem. | c. | It is the study of how and why a specific reaction
occurs. | d. | It may be driven by scientific curiosity
alone. | | |
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15.
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Matter includes all of the following EXCEPT a. | air. | c. | smoke. | b. | light. | d. | water vapor. | | | | |
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16.
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A
physical property may be investigated by a. | melting ice. | c. | allowing silver to tarnish. | b. | letting milk
turn sour. | d. | burning
wood. | | | | |
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17.
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Chemical properties a. | include changes of state of a
substance. | b. | include mass and color. | c. | include changes
that alter the identity of a substance. | d. | can be observed without altering the identity of a
substance. | | |
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18.
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An
example of an extensive physical property is a. | mass. | c. | color. | b. | density. | d. | boiling
point. | | | | |
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19.
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Which
of the following is an intensive physical property? a. | volume | c. | color | b. | length | d. | mass | | | | |
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20.
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The
melting of candle wax is classified as a physical change because it a. | produces no new
substances. | b. | transfers energy. | c. | absorbs
heat. | d. | changes the chemical properties of
wax. | | |
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21.
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An
example of a chemical change is a. | sanding wood. | c. | milk going sour. | b. | melting
ice. | d. | vaporizing
gasoline. | | | | |
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22.
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The
state of matter in which a material is most likely to resist compression is the a. | solid
state. | c. | gaseous
state. | b. | liquid state. | d. | vaporous state. | | | | |
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23.
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The
state of matter in which a material has definite shape and definite volume is the a. | liquid
state. | c. | gaseous
state. | b. | solid state. | d. | vaporous state. | | | | |
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24.
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A
substance classified as a fluid contains particles that a. | quickly expand
into any available space. | b. | are held in fixed positions. | c. | may slide past
each other. | d. | are very far from each other. | | |
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25.
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The
state of matter in which a material has a definite volume but no definite shape is
the a. | gaseous
state. | c. | frozen
state. | b. | solid state. | d. | liquid state. | | | | |
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26.
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Under
ordinary conditions of temperature and pressure, the particles in a gas are a. | closely
packed. | c. | held in fixed
positions. | b. | very far from each other. | d. | able to slide past each other. | | | | |
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27.
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A
list of pure substances could include a. | bread dough. | c. | vitamin C (ascorbic acid). | b. | vinegar (5%
acetic acid). | d. | sea
water. | | | | |
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28.
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The
homogeneous mixture in the illustration above is in container
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29.
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Physical means can be used to separate a. | elements. | c. | mixtures. | b. | pure substances. | d. | compounds. | | | | |
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30.
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Which
part of the illustration above shows the particles in a heterogeneous mixture?
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31.
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Group
____ in the figure above contains only metals.
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32.
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Based
on their location in the figure above, oxygen and selenium have a. | the same number
of neutrons. | c. | similar
properties. | b. | the same conductivity. | d. | the same number of electron orbitals. | | | | |
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33.
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Use
the figure above. Which element has properties most similar to those of sodium? a. | boron | c. | sulfur | b. | calcium | d. | nitrogen | | | | |
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34.
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Based
on its location in the figure above, you could infer that ____ is very unreactive.
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35.
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Based
on their location in the figure above, boron and antimony might be good elements to use
as a. | semiconductors. | c. | construction
materials. | b. | fuels. | d. | catalysts. | | | | |
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36.
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The
most useful source of chemical information about the elements is a a. | calculator. | c. | periodic
table. | b. | table of metric equivalents. | d. | table of isotopes. | | | | |
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37.
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A
horizontal row of blocks in the periodic table is called a(n) a. | group. | c. | family. | b. | period. | d. | octet. | | | | |
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38.
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A
vertical column of blocks in the periodic table is called a(n) a. | group. | c. | property. | b. | period. | d. | octet. | | | | |
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39.
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The
elements that border the zigzag line in the periodic table are a. | inactive. | c. | metalloids. | b. | metals. | d. | nonmetals. | | | | |
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40.
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Which
statement is NOT true of most metalloids? a. | They are used in computers and
calculators. | b. | They are semiconductors of
electricity. | c. | They are generally unreactive. | d. | They have
characteristics of both metals and nonmetals. | | |
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