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| 1 | |
Which of these is a natural polymer? |
| | A) | styrofoam |
| | B) | polyethylene |
| | C) | nylon |
| | D) | silk |
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| 2 | |
All plastics are made up of long chains of atoms that are held together with |
| | A) | hydrogen bonds. |
| | B) | ionic bonds. |
| | C) | covalent bonds. . |
| | D) | peptide bonds. |
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| 3 | |
Which is not formed by addition polymerization? |
| | A) | PVC; polyvinyl chloride |
| | B) | PS; polystyrene |
| | C) | PET; polyethylene terephthalate |
| | D) | LDPE; low density polyethylene |
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| 4 | |
Which monomer is the starting material for the most commonly produced polymer in the United States? |
| | A) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img1.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>]]>
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| | B) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img2.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>]]>
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| | C) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img3.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>]]>
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| | D) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img4.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>]]>
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| 5 | |
The plastic used for laundry detergent bottles is most likely to be
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232427/Ch9_image024.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (79.0K)</a>]]>
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| | A) | PS, polystyrene |
| | B) | HDPE, polyethylene |
| | C) | PVC, polyvinyl chloride |
| | D) | PP, polypropylene |
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| 6 | |
Plastic pipes used in building construction are most likely to be
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232427/Ch9_image025.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (103.0K)</a>]]>
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| | A) | PS, polystyrene |
| | B) | HDPE, polyethylene |
| | C) | PVC, polyvinyl chloride |
| | D) | PP, polypropylene |
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| 7 | |
White translucent plastic milk jugs and the plastic containers to hold household ammonia and vinegar are most likely to be made of
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232427/Ch9_image026.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (48.0K)</a>]]>
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| | A) | HDPE |
| | B) | LDPE |
| | C) | PET |
| | D) | PVC |
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| 8 | |
Clear plastic beverage bottles are likely to be made of
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232427/Ch9_image027.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (32.0K)</a>]]>
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| | A) | HDPE |
| | B) | LDPE |
| | C) | PET |
| | D) | PVC |
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| 9 | |
Here is the monomer used to make polystyrene. What is its chemical formula?
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img5.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>]]>
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| | A) | C2H3 |
| | B) | C8H3 |
| | C) | C8H8 . |
| | D) | C8H9 |
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| 10 | |
Styrofoam cups dissolve in benzene, C6H6, but do not dissolve in water because Styrofoam is a __________ polymer and therefore dissolves in a ___________ solvent such as benzene, but cannot dissolve in a ___________ solvent such as water. |
| | A) | polar, polar, nonpolar. |
| | B) | nonpolar, nonpolar, polar |
| | C) | polar, nonpolar. polar |
| | D) | nonpolar, polar, nonpolar |
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| 11 | |
This figure depicts polyethylene chains in a plastic strip that is being stretched. Which statement best describes what is happening at the molecular level as the strip narrows and "necks down"?
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img6.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (8.0K)</a>]]>
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| | A) | The previously mixed-up molecular chains move. They shift, slide, and become aligned parallel to each other. . |
| | B) | Cross-linking takes place in the necked area, now that there is increased opportunity for additional polymerization to take place. |
| | C) | Several new branches form in the necked area, leading to a relatively low-density polyethylene in this region. |
| | D) | Several changes take place in the chemical nature of the polymer chain, caused by the closeness of the previously dispersed chains. |
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| 12 | |
Which of these groups represents an alkene? |
| | A) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232427/image001.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>]]>
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| | B) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232427/image002.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>]]>
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| | C) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232427/image003.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>]]>
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| | D) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232427/image004.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>]]>
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| 13 | |
Kevlar is a type of nylon used in bulletproof clothing and in radial tires. Here are the two monomers for producing Kevlar. When these two monomers join, which linkage between monomers forms the resulting polymer?
| Monomer 1 | Monomer 2 |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img7.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>]]> |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img8.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (4.0K)</a>]]> |
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| | A) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img9.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>]]>
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| | B) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img10.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (3.0K)</a>]]>
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| | C) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img11.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>]]>
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| | D) |  <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img12.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (2.0K)</a>]]>
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| 14 | |
Which of these is not true about proteins? |
| | A) | amino acids are the monomers of proteins |
| | B) | they occur naturally |
| | C) | they are addition polymers |
| | D) | a great variety of different proteins exist |
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| 15 | |
The structure illustrates nylon, a versatile polymer often used in sporting equipment and clothing. What type of polymer is nylon?
 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0073048763/232424/Ch9_SQ2_Img13.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (5.0K)</a>]]>
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| | A) | a polyester |
| | B) | a polyethylene |
| | C) | a polyamide |
| | D) | a polycarbonate |
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| 16 | |
The plastic that we do not recycle or reuse eventually ends up in |
| | A) | a landfill. |
| | B) | an incinerator. |
| | C) | a landfill or an incinerator. |
| | D) | neither a landfill nor an incinerator. |
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| 17 | |
Municipal solid waste (MSW) includes everything you discard or throw into your trash. The largest single item in MSW in the United States is |
| | A) | paper |
| | B) | plastic |
| | C) | food materials |
| | D) | grass clippings and yard trimmings |
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| 18 | |
Which is not a potential problem in burning plastics? |
| | A) | the greenhouse gas carbon dioxide is a product |
| | B) | they have a low energy content compared to oil |
| | C) | an acidic gas such as HCl may be released |
| | D) | the ash may contain toxic metals from the inks used |
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| 19 | |
Which plastic is least likely to be recycled curbside in the United States? |
| | A) | HDPE |
| | B) | PVC |
| | C) | PET |
| | D) | All are likely to be recycled |
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| 20 | |
In managing solid waste (such as plastics), which method is preferred? |
| | A) | Creating landfills for the waste |
| | B) | Incinerating the waste |
| | C) | Recycling and composting the waste |
| | D) | Reducing the sources of the waste |
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