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      Question

      Identify the pairing that is not correctly matched.

        (I) Dry ice - Solid form of carbon dioxide   (II) Fullerene - An allotrope of hydrogen   (III) Teflon - Fluorine-containing polymer
      A I Only Correct Answer Incorrect Answer
      B II Only Correct Answer Incorrect Answer
      C I and II Correct Answer Incorrect Answer
      D I, II, and III Correct Answer Incorrect Answer

      Solution

      Fullerene is incorrectly described as an allotrope of hydrogen; it is actually an allotrope of carbon. The other two pairings are correct.

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