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Carbon Chemistry Review 1
Test Description: Review of Chapter 9 Test questions.
Instructions: Answer all questions to get your test result.
1) Which of the following statements helps explain why there are millions of carbon compounds?
A
carbon atoms can form single, double, and triple bonds
B
all of the above
C
carbon atoms form bonds with other carbon atoms
D
carbon has four valence electrons
2) Which of the following statements is true?
A
organic compound are produced only in organisms
B
about 10 percent of all known compounds are organic compounds
C
organic compounds contain only carbon and hydrogen
D
organic compounds always contain carbon and hydrogen
3) The carbon atoms in a hydrocarbon CAN be arranged in
A
all of the above
B
cross-linked chains
C
straight (linear) chains
D
branched chains
4) Which of the following is NOT an example of a fossil fuel?
A
natural gas
B
methanol
C
coal
D
petroleum
5) What are the main products of the incomplete combustion of fossil fuels?
A
oxygen and hydrocarbon
B
carbon dioxide and hydrocarbons
C
water and carbon dioxide
D
water and carbon monoxide
6) When monomers link together, they usually form
A
a network solid
B
a polymer
C
ionic bonds
D
another monomer
7) In a polymer, monomers are linked by
A
ionic bonds
B
metallic bonds
C
polyatomic ions
D
covalent bonds
8) Natural polymers are produced
A
in both plant and animal cells
B
in neither plant nor animal cells
C
only in animal cells
D
only in plant cells
9) Which of the following is a result of the complete combustion of fossil fuels?
A
the amount of carbon monoxide in the atmosphere increases
B
nitrogen oxides are released into the atmosphere
C
the amount of carbon dioxide in the atmosphere increases
10) Which type of polymer is the strongest
A
cross-linked polymers
B
branched polymers
C
linear polymers
11) The prefix cyclo means
A
the hydrocarbon has a double bond
B
the hydrocarbon has a ring structure
C
the hydrocarbon has a triple bond
D
the hydrocarbon has a branched structure
12) In the compound C6H12O2, the subscript 2 after the oxygen means that
A
oxygen and hydrogen have a double bond
B
there are 2 oxygen atoms for every six carbon atoms and twelve hydrogen atoms
C
the carbon atom is three times the size of the oxygen atoms
D
there are two more oxygen atoms than carbon and hydrogen atoms in the molecule
13) In fullerenes, the carbon atoms are
A
bonded in a network solid
B
bonded in alternating hexagons and pentagons on the surface of a hollow sphere (like a soccer ball)
C
not bonded to each other
D
bonded to three other carbons in a widely spaced layer
14) Butane has the formula of C4H10. How many carbon atoms are in butane?
A
6
B
4
C
1
D
10
15) Which of the following is a saturated hydrocarbon? (Alkane)
A
benzene
B
Propane
C
pentyne
D
butene
16) The prefix dec- means ten. Which of the following best describes the structure of decene?
A
it contains ten carbon atoms and only single bonds.
B
it contains a total of 10 atoms
C
it contain ten carbon atoms and at least one triple bond
D
it contains ten carbon atoms and at least one double bond
17) One of the gases released after gasoline burns in a car's engine is carbon monoxide. Which of the following statement explains why there is carbon monoxide in this mixture of gases?
A
the combustion of gasoline in the engine is complete combustion
B
not enough oxygen is present when the gasoline is burned in the engine
C
gasoline contains carbon monoxide
D
carbon monoxide is produced when a fossil fuel is burned by complete combustion
18) Which of the following is NOT a type of unsaturated hydrocarbon?
A
aromatic hydrocarbon
B
alkyne
C
akene
D
alkane
19) How many covalent bonds can one carbon atom form?
A
8
B
4
C
2
D
6
20) Which of is an example of a network solid?
A
graphite
B
diamond
C
buckyball
D
fullerene
*select an answer for all questions
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