| 31. | JP-4 was a mixture of aliphatic and aromatic hydrocarbons.
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| 32. | This aromatic liquid is colorless although samples often are pale yellow.
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| 33. | Some of the species are aromatic and grown as ornamental plants.
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| 34. | Chemically it is an aromatic heterocycle di-N-oxide.
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| 35. | Like benzene, it is aromatic, and a conjugated system.
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| 36. | What is the purpose of the aromatic oils in citrus zest?
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| 37. | The aromatic amine used to be used to make azo dyes.
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| 38. | Only the most reactive of dienophiles can attack such aromatic compounds.
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| 39. | The simple ketones include aromatic, heteroaromatic, and alkenyl ketones.
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| 40. | For aromatic nitro compounds, synthesis is via a substitution reaction.
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