Principles of Chromatography (VCE SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What property difference does chromatography exploit to separate mixtures?
What property difference does chromatography exploit to separate mixtures?
Solubility differences
Who developed chromatography while studying coloured pigments in plants?
Who developed chromatography while studying coloured pigments in plants?
Mikhail Tsvet
In a chalk-and-ink experiment, what is the stationary phase?
In a chalk-and-ink experiment, what is the stationary phase?
The chalk
What is adsorption in chromatography?
What is adsorption in chromatography?
Sticking onto the stationary phase
With water as mobile phase, which component moves faster up the stationary phase?
With water as mobile phase, which component moves faster up the stationary phase?
More polar component
Where must the origin be positioned when setting up chromatography?
Where must the origin be positioned when setting up chromatography?
Slightly above the solvent level
If a component travels 7 cm and the solvent front travels 10 cm, what is the value?
If a component travels 7 cm and the solvent front travels 10 cm, what is the value?
Why are values always less than 1?
Why are values always less than 1?
Component can't travel further than solvent
What chemical is sprayed on chromatograms to make amino acids visible?
What chemical is sprayed on chromatograms to make amino acids visible?
Ninhydrin
What type of analysis determines what chemical components are present in a sample?
What type of analysis determines what chemical components are present in a sample?
Qualitative analysis