Chromatography

Chemistry, HSSC-Punjab Second Year. This chapter is split into 22 topics and has 507 practice questions. The topics covered are listed below, followed by 10 free sample questions from the chapter.

Topics in this chapter

1. Interpreting chromatograms of mixtures 24 questions
2. GC calculations: percentage composition from peak areas 26 questions
3. GC calculations: area of a peak 27 questions
4. Paper chromatography: apparatus and procedure 23 questions
5. Gas chromatography: principle and retention time 22 questions
6. Limitations of thin-layer chromatography 20 questions
7. Paper chromatography: principle, mobile and stationary phases 23 questions
8. Gas chromatography: strengths and applications 26 questions
9. Applications of thin-layer chromatography 20 questions
10. Thin-layer chromatography: principle and polarity 22 questions
11. Key terms: stationary phase, mobile phase, baseline, solvent front and Rf 21 questions
12. Locating agents and visualising colourless spots 20 questions
13. Identifying substances by comparing Rf values 24 questions
14. Gas chromatography: components and procedure 26 questions
15. Limitations of gas chromatography 21 questions
16. Thin-layer chromatography: plate preparation and procedure 25 questions
17. Chromatography: introduction and purpose 22 questions
18. Comparison of paper chromatography, TLC and GC 24 questions
19. Using Rf values to find distances 25 questions
20. Choosing stationary and mobile phases; chromatography with mass spectrometry 20 questions
21. Amino acid chromatograms and the use of two solvents 21 questions
22. Calculating Rf values from measured distances 25 questions