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Petroleum is separated into fractions in the refining process. Which of the following fractions has molecules with the largest size?
Q12: Which is not true of poly-cis-isoprene?<br>A) It
Q13: Most of the material in the Earth's
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Q22: The name of the C<sub>2</sub>H<sub>5</sub>- group is<br>A)
Q26: Crumpling the pages of a newspaper to
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Q47: The Food and Drug Administration, FDA, has
Q50: Which is a property of DDT?<br>A) chlorine
Q58: Which of the compounds listed below is