Supercritical Fluid Extraction Quiz
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Questions and Answers

Which supercritical fluid is commonly used for extractions of polar compounds?

  • Ethanol (C2H5OH)
  • Ethane (C2H6)
  • Carbon dioxide (CO2)
  • Water (H2O) (correct)
  • Which supercritical fluid is utilized in the petrochemical and natural gas industries for extraction of specific compounds?

  • Ethanol (C2H5OH)
  • Carbon dioxide (CO2)
  • Water (H2O)
  • Ethane (C2H6) (correct)
  • Which supercritical fluid is commonly used for extractions of polar and semi-polar compounds in pharmaceutical and chemical processes?

  • Ethane (C2H6)
  • Water (H2O)
  • Carbon dioxide (CO2)
  • Ethanol (C2H5OH) (correct)
  • Which supercritical fluid is mentioned but not fully described in the provided text?

    <p>Methanol (CH3OH)</p> Signup and view all the answers

    Which supercritical fluid is one of the most commonly used due to its favorable properties?

    <p>Carbon dioxide (CO2)</p> Signup and view all the answers

    Study Notes

    Supercritical Fluids in Extraction Processes

    • Carbon Dioxide (CO2) is a commonly used supercritical fluid for the extraction of polar compounds. Its ability to selectively dissolve polar substances makes it ideal for various applications.

    • Methanol is utilized in the petrochemical and natural gas industries for the extraction of specific compounds. Its effectiveness in complex mixtures is advantageous in these sectors.

    • Ethanol is commonly used for the extraction of both polar and semi-polar compounds in pharmaceutical and chemical processes. It offers a wide range of solubility properties, making it versatile for different compounds.

    • Water is mentioned as a supercritical fluid, notable for its properties but is not elaborately described in detail. Its supercritical state can be essential for specific extraction scenarios.

    • Carbon Dioxide (CO2) is one of the most widely used supercritical fluids due to its advantageous properties, including low toxicity, non-flammability, and ease of removal after extraction, making it favorable in many extraction applications.

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    Description

    Test your knowledge on alternative supercritical fluids used in supercritical fluid extraction (SFE) with this quiz. Explore the various applications of substances like water, ethanol, and more in this fascinating field of extraction.

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