| 11. | It can be synthetically created or derived from natural resins.
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| 12. | Ambroxan is now produced synthetically and used extensively in the perfume industry.
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| 13. | Owing to its scarcity in nature, most plutonium is produced synthetically.
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| 14. | Ethanol was first prepared synthetically in 1825 by Michael Faraday.
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| 15. | Particolored sapphires cannot be created synthetically and only occur naturally.
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| 16. | Camphor can also be synthetically produced from oil of turpentine.
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| 17. | The condensation reaction is used to synthetically produce nylon polymers in industry.
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| 18. | Ergocalciferol is produced in fungi synthetically through irradiation of ergosterol.
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| 19. | These lipids were also successfully produced synthetically in the laboratory.
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| 20. | This colorless solid can be prepared synthetically but also occurs in nature.
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