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Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

Chromatography (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Chromatography' from the broader topic Chemical Analysis. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

What is the main difference between adsorption chromatography and partition chromatography?
Which statement best explains why Rf values are reproducible only under identical conditions?
Why does changing the solvent polarity change Rf values in paper chromatography?
Which of the following is an advantage of thin-layer chromatography (TLC) over paper chromatography?
Which factor would NOT normally improve resolution between two close spots in chromatography?
What is the Rf value if a dye spot moves 3.6 cm from the start line and the solvent front moves 9.0 cm?
In paper chromatography, which combination gives the most polar stationary phase and a polar mobile phase?
Gas chromatography (GC) separates volatile compounds. Which statement is true about GC?
A student records the following: distance moved by dye = 2.4 cm; distance moved by solvent = 6.0 cm. Which multiple-choice answer is the correct Rf and correct explanation?
A student used pencil to draw the start line and the solvent washed the ink away. What mistake was made?
Which real-world application commonly uses chromatography for chemical analysis?