| 11. | Double bonds can react with hydrogen to form single bonds.
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| 12. | The backbones of polyacetylenes have alternating single and double bonds.
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| 13. | One of the double bonds connects two parts of an organic molecule.
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| 14. | Isomeric with nerol is geraniol, wherein the double bond is trans.
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| 15. | The double bonds in fullerene are not all the same.
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| 16. | The remaining oxygen then forms double bonds with the carbon.
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| 17. | A double bond is of course a type of bond.
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| 18. | Phytoene is a symmetric molecule containing three conjugated double bonds.
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| 19. | Is it talking about a C = C double bond?
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| 20. | We could have one hydrogen and one double bond between the carbons.
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