11. Which of the following is an accepted practice for simple distillation? a. Boil sample to dryness to maximize recove

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11 Which Of The Following Is An Accepted Practice For Simple Distillation A Boil Sample To Dryness To Maximize Recove 1 (76.28 KiB) Viewed 73 times

11. Which of the following is an accepted practice for simple distillation? a. Boil sample to dryness to maximize recovery b. Add water to the condenser at the top and let it run down to maximize cooling c. Put the thermometer as close as possible to the boiling liquid. d. Fill the distillation flask halfway with solvent and add carborundum ("boiling stones") e. The band the d 12. From the following list, which is the least polar solvent? a.CH3CH2OH b. CHCIS c (CH3)3CC(CH3)3 d. (CH3)3N e they are all polar 13. Choose the correct option: in a thin layer chromatography that uses silica gel as adsorbent, the most polar component a. It is affected by the size of the chromatoplate. b. It is not affected by the polarity of the solvent c.it will be retained more in the silica and will have a smaller Rf than the rest of the components d. It will have a higher Rf than the rest of the components 14. Miscible liquids, which have different boiling points, can be separated by: a, decantation b. filtration c. distillation d. chromatography