Chromatography (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of technique is chromatography?
What type of technique is chromatography?
A separation technique
What is the mobile phase in chromatography?
What is the mobile phase in chromatography?
The solvent that dissolves the mixture
What is the stationary phase in chromatography?
What is the stationary phase in chromatography?
The solid through which mobile phase passes
In thin-layer chromatography (TLC), how does the solvent move?
In thin-layer chromatography (TLC), how does the solvent move?
Up the plate
In column chromatography (CC), how does the solvent move?
In column chromatography (CC), how does the solvent move?
Down the column
What is passed through the column in gas chromatography (GC)?
What is passed through the column in gas chromatography (GC)?
A gas under pressure at high temperature
What is retention time in chromatography?
What is retention time in chromatography?
Time to pass through the stationary phase
How do larger particles move through a chromatogram compared to smaller ones?
How do larger particles move through a chromatogram compared to smaller ones?
More slowly
How do particles very soluble in the mobile phase move through a chromatogram?
How do particles very soluble in the mobile phase move through a chromatogram?
Quickly
What happens to particles with greater attraction to solid stationary phase?
What happens to particles with greater attraction to solid stationary phase?
They adsorb more and move slowly