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Purification Techniques Questions
15 Practice QuestionsStart Practicing Now
- [Medium]Gas chromatography separation depends mainly on differences in:...
- [Hard]Azeotropic distillation uses an added component primarily to:...
- [Easy]A pure organic solid typically shows a melting point that is:...
- [Hard]If a burette reading is consistently 0.10 mL higher due to parallax, the primary effect on calculated concentration is:...
- [Medium]Fractional crystallization separates dissolved salts based on:...
- [Medium]Steam distillation is suitable for substances that:...
- [Easy]Which is a suitable drying agent for neutral organic solvents like ether?...
- [Medium]Differential extraction of organic compound from aqueous solution uses an organic solvent that is:...
- [Easy]In Lassaigne's test, sulphur is detected by formation of:...
- [Easy]Which mixture can be separated by sublimation?...
- [Medium]In Lassaigne's test, presence of nitrogen is confirmed by formation of a Prussian blue complex due to:...
- [Easy]In thin-layer chromatography (TLC), the Rf value of a compound is defined as:...
- [Easy]Best method to obtain pure crystals from an impure solid soluble in hot water and less soluble in cold water is:...
- [Medium]Increasing polarity of eluent in column chromatography generally:...
- [Easy]Fractional distillation is preferred over simple distillation when:...