Steam Distillation and Surface Tension MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 23, 2025

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1. : At which of the following does the organic liquid in steam distillation vaporize?



2. : From aniline-water mixture using which one aniline is separated?



3. : For separating substances which are _______ steam distillation process is used?



4. : ______ type of mixture is collected in a round bottom flask after passing through a steam generator.



5. : _______ is an application of surface tension?



6. : Which of the following is the surface tension of the liquid on increasing the temperature?



7. : Which of the following is the apparatus used for the determination of surface tension of a liquid?



8. : The liquid boils when the sum of vapor pressure due to organic liquid and due for watering becomes which one in steam distillation?



9. : For separating organic compound with water __________ property is not possessed by the organic solvent required.



10. : _______ is the upper layer in differential extraction.



11. : Which of the following is the unit of surface tension in the CGS system?



12. : With the help of which one stalagmometer is cleaned to remove grease?



13. : In the upper solvent layer in differential extraction, ________ the organic compound be present?



14. : From the organic solvent by _________ the organic compound in differential extraction is recovered.



15. : Which of the following is the kinetic energy of the liquid molecules on increasing the temperature?



16. : We get a concave meniscus because the adhesive force between water and glass are which one in case of water and glass than the cohesive forces in the water molecules?



17. : Which of the following is the surface tension of water at 25°C?



18. : Because of which one shapes of drops of liquid are spherical?



 

 

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