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