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Questions and Answers
What is the main difference between chromatography and adsorption?
What is the main difference between chromatography and adsorption?
- Chromatography uses solid adsorbents, while adsorption uses liquid adsorbents on a solid support.
- Chromatography separates components in gas or liquid mixtures, while adsorption is used to remove components present in low concentrations.
- Chromatography involves passing the feed through a bed of packing, while adsorption requires a pressure field. (correct)
- Chromatography is used for the purification of p-xylene, while adsorption is used for the separation of xylene isomers and ethylbenzene.
Which method involves a chemical reaction and requires the use of resin with ion-active sites?
Which method involves a chemical reaction and requires the use of resin with ion-active sites?
- Electrolysis
- Ion Exchange (correct)
- Centrifugation
- Electrodialysis
What is the force field or gradient involved in electrolysis?
What is the force field or gradient involved in electrolysis?
- Magnetic force field
- Electric force field (correct)
- Gravitational force field
- Centrifugal force field
In which method are cation and anion-permeable membranes used to prevent migration of like-charged species?
In which method are cation and anion-permeable membranes used to prevent migration of like-charged species?
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What is the purpose of separating uranium isotopes through centrifugation?
What is the purpose of separating uranium isotopes through centrifugation?
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How does ion exchange differ from adsorption?
How does ion exchange differ from adsorption?
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What does electrodialysis primarily prevent through its membranes?
What does electrodialysis primarily prevent through its membranes?
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Which method establishes an electrical force field for its operation?
Which method establishes an electrical force field for its operation?
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