Hydrocarbon Compounds 5/17/11
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Organic compounds that contain only carbon and hydrogen are called
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Hydroxcide
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Carbonoxcide
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Hydrocarbons
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HYDROCARBON COMPOUNDS 5/17/11
Quiz Preview
- 2.
butane
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Has 1 carbon atoms
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Has 4 carbon atoms
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Has 2 carbon atoms
Correct Answer
A. Has 4 carbon atoms -
- 3.
Alkanes contain only _____________ covalent bonds.
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Single
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Two
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Three
Correct Answer
A. Single -
- 4.
Nonane has
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Has 9 carbon atoms
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Has 7 carbon atoms
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Has 4 carbon atoms
Correct Answer
A. Has 9 carbon atoms -
- 5.
The names of all alkanes end with the suffix ______________________ .
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-kan
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Alk
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-ane
Correct Answer
A. -ane -
- 6.
heptane
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Has10 carbon atoms
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Has 5 carbon atoms
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Has 7 carbon atoms
Correct Answer
A. Has 7 carbon atoms -
- 7.
The ______________________ system names organic compounds according to their structure.
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UPIAC
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PACIU
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IUPAC
Correct Answer
A. IUPAC -
- 8.
How many structural isomers are there for C4H10?
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2
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5
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3
Correct Answer
A. 2 -
- 9.
Alkyl groups are named by removing the-ane ending of the parent hydrocarbon and adding ______________________ to indicate that one ______________________ has been removed.
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Ly, radon
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Ing, oxygen
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-yl ,hydrogen
Correct Answer
A. -yl ,hydrogen -
- 10.
Name the structural isomers of C4H10.
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Heptane and 2-methylpropane
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Butane and 2-methylpropane
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Octane and 2-methylpropane
Correct Answer
A. Butane and 2-methylpropane -
- 11.
What is organic chemistry?
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It is the study of the chemistry of oxygen compounds
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It is the study of the chemistry of carbon compounds.
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It is the study of the chemistry of hydrogen compounds.
Correct Answer
A. It is the study of the chemistry of carbon compounds. -
- 12.
propane
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Has 8 carbon atoms
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Has 4 carbon atoms
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Has 3 carbon atoms
Correct Answer
A. Has 3 carbon atoms -
- 13.
Name the structural isomers of C4H10.
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1-hexyne and 2-methylpropane
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Heptane and 3 octane
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Butane and 2-methylpropane
Correct Answer
A. Butane and 2-methylpropane -
- 14.
What is the simplest alkane?
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Hydrogen
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Carbon
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Methane
Correct Answer
A. Methane -
- 15.
CH3CH2CH2CH2CH3 CH3(CH2)3CH3 C — C — C — C — C
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Formula for carbon
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Formula for methane
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Formula for pentane
Correct Answer
A. Formula for pentane -
- 16.
Molecules that differ only in the spatial configuration of their substituted groups are called ______________________ isomers.
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Geometric
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Number
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Alphabet
Correct Answer
A. Geometric -
- 17.
Which 2 statements are true about carbon’s ability to form bonds.?
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Carbon atoms have four valence electrons. Carbon atoms can form stable bonds with each other.
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Carbon atoms always form three covalent bonds. Carbon atoms can form stable bonds with each other.
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Carbon atoms always form three covalent bonds. Carbon atoms can form stable bonds with each other.
Correct Answer
A. Carbon atoms have four valence electrons. Carbon atoms can form stable bonds with each other. -
- 18.
A(n) ______________________ is an atom or group of atoms that replaces hydrogen in a hydrocarbon.
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Substituent
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Emerged
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Not substituent
Correct Answer
A. Substituent -
- 19.
Hydrocarbons that contain one or more ______________________ covalent bonds between carbons are called alkynes.
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Four
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Double
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Triple
Correct Answer
A. Triple -
- 20.
Cyclic hydrocarbons that contain only single carbon–carbon bonds are called ___________________.
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Alkanes
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Cycloalkanes
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Cycloxygen
Correct Answer
A. Cycloalkanes -
- 21.
______________________ is the simplest alkyne, and is also known by the common name ______________________ . common name ______________________ .
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Dimethyl, pentene
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Acetylene, ethyne
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Ethyne,acetylene
Correct Answer
A. Ethyne,acetylene -
- 22.
In general, what determines which structural isomer will have the lowest boiling point?
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In general, the more highly branched structure will have the lowest boiling point.
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In general, the more highly branched structure will have the highest boiling point.
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In general, the more highly branched structure will have the medium boiling point.
Correct Answer
A. In general, the more highly branched structure will have the lowest boiling point. -
- 23.
The simplest arene is ______________________ , which has a chemical formula of C6H6.
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Benzene
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Arenes
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Carbon
Correct Answer
A. Benzene -
- 24.
What are structural isomers?
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They are compounds that have the same molecular formula but same molecular structures.
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They are compounds that have the different molecular formula but different molecular structures.
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They are compounds that have the same molecular formula but different molecular structures.
Correct Answer
A. They are compounds that have the same molecular formula but different molecular structures. -
- 25.
a double bond and at least one substituent on each carbon of the double bond
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Two things need to be present for the type of electrons
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Two things need to be present for the type of atoms
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Two things need to be present for the type of isomerism
Correct Answer
A. Two things need to be present for the type of isomerism -
- 26.
The most abundant cyclic hydrocarbons contain ______________________ or ______________________ carbons.
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5, 6
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3, 5
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2, 7
Correct Answer
A. 5, 6 -
- 27.
methane, ethane, propane, and butane
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The four fossil components of natural gas
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The four main electron components of natural gas
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The four main alkane components of natural gas
Correct Answer
A. The four main alkane components of natural gas -
- 28.
What is a branched-chain alkane?
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It is an alkane with one or more alkyl groups.
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It is an alkane with two or more alkyl groups
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It is an alkane with three or more alkyl groups
Correct Answer
A. It is an alkane with one or more alkyl groups. -
- 29.
What are structural isomers?
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They are compounds that have the different molecular formula but different molecular structures.
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They are mixtures that have the same molecular formula but different molecular structures.
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They are compounds that have the same molecular formula but different molecular structures.
Correct Answer
A. They are compounds that have the same molecular formula but different molecular structures. -
- 30.
Match the terms for naming a disubstituted benzene with the substituent positions they represent. para
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1,3
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1,2
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1,4
Correct Answer
A. 1,4 -
- 31.
The straight-chain alkanes are a(n) ______________________________ because there is an incremental change of —CH2— from one compound in the series to the next.
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Homologous series
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Heterogous series
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Mologous series
Correct Answer
A. Homologous series -
- 32.
Which family of hydrocarbons are always saturated compounds?
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Hydrocarbon
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Alkanes
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Ethyne
Correct Answer
A. Alkanes -
- 33.
Molecules that differ only in the spatial configuration of their substituted groups are called ______________________ isomers.
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Numerical
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Geometric
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Figure
Correct Answer
A. Geometric -
- 34.
What is a cyclic hydrocarbon?
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It is a compound that contains a carbon ring.
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It is a mixture that contains a hydrocarbon ring.
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It is a compound that contains a hydrocarbon ring.
Correct Answer
A. It is a compound that contains a hydrocarbon ring. -
- 35.
What is an alkene?
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It is a hydrowater containing one or more carbon–carbon double covalent bonds.
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It is a carbon containing one or more carbon–carbon double covalent bonds.
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It is a hydrocarbon containing one or more carbon–carbon double covalent bonds.
Correct Answer
A. It is a hydrocarbon containing one or more carbon–carbon double covalent bonds. -
- 36.
How many structural isomers are there for C4H10?
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2
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3
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4
Correct Answer
A. 2 -
- 37.
Molecules that have an asymmetric ________ have handedness.
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Carbon
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Water
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Oxygen
Correct Answer
A. Carbon -
- 38.
Molecules that exhibit resonance are more ______________________ than similar molecules
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Unstable
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Stable
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More stable
Correct Answer
A. Stable -
- 39.
When ______________________ is a substituent on an alkane, it is called a phenyl group.
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Benzene
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None benzene
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Ethylhexene
Correct Answer
A. Benzene -
- 40.
What are straight-chain alkanes?
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They contain any number of carbon atoms in a chain bonded together by single covalent bonds. The remaining valence electrons are bonded to carbon atoms.
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They contain any number of carbon atoms in a chain bonded together by single covalent bonds. The remaining valence electrons are bonded to oxygen atoms.
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They contain any number of carbon atoms in a chain bonded together by single covalent bonds. The remaining valence electrons are bonded to hydrogen atoms.
Correct Answer
A. They contain any number of carbon atoms in a chain bonded together by single covalent bonds. The remaining valence electrons are bonded to hydrogen atoms. -
- 41.
______________________ is the simplest alkyne, and is also known by the common name ______________________ . common name ______________________ .
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Ethyne, acetylene
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Hydrocarbons,acetylene
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Ethyne,Hydrocarbons
Correct Answer
A. Ethyne, acetylene -
- 42.
______________________ objects will produce a reflection that is indistinguishable from the original.
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Multi-Symmetrical
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Symmetrical
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Non-Symmetrical
Correct Answer
A. Symmetrical -
- 43.
Any substance that has carbon–carbon bonding like that of benzene is called an _________ compound.
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Aliphatic
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Unsaturated
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Aromatic
Correct Answer
A. Aromatic -
- 44.
What are fossil fuels?
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They are fuels derived from the decay of organisms that died hundreds of years ago.
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They are fuels derived from the decay of organisms that died thousands of years ago.
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They are fuels derived from the decay of organisms that died millions of years ago.
Correct Answer
A. They are fuels derived from the decay of organisms that died millions of years ago. -
- 45.
In general, what determines which structural isomer will have the lowest boiling point?
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In general, the more highly branched structure will have the lowest boiling point.
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In general, the more highly branched structure will have the highest boiling point.
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In general, the more highly branched structure will have the medium boiling point.
Correct Answer
A. In general, the more highly branched structure will have the lowest boiling point. -
- 46.
What toxic gas is formed during incomplete combustion of a hydrocarbon?
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Carbon monoxide
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Carbon dioxide
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Carbon zioxide
Correct Answer
A. Carbon monoxide -
- 47.
Hydrocarbons and other nonpolar molecules are not attracted to
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Radon
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Water
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Oxygen
Correct Answer
A. Water -
- 48.
Why are these two molecules stereoisomers?
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They have the same molecular structure but differ in the arrangement of the atoms in space.
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They have the same molecular structure but differ in the arrangement of the protonsin space.
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They have the same molecular structure but differ in the arrangement of the electrons in space.
Correct Answer
A. They have the same molecular structure but differ in the arrangement of the atoms in space. -
- 49.
What is the chemical formula for a phenyl group? ______________________
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C8H5—
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C6H7—
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C6H5—
Correct Answer
A. C6H5— -
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Mar 17, 2022Quiz Edited by
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May 17, 2011Quiz Created by
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