Exercise
Form 7: Paper Chromatography Techniques
In this engaging exercise, students will explore the fascinating world of paper chromatography by separating pigments from various ink samples, allowing them to identify the components of each ink and understand the principles of chromatography in real-time. Through hands-on experimentation, students will develop critical thinking skills and a deeper appreciation for biochemical analysis.
Questions
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MultiChoice
What is paper chromatography used for?
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MultiChoice
Which common mixture is frequently analyzed using paper chromatography?
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MultiChoice
The visual paper record showing separated spot components is called a:
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MultiChoice
In paper chromatography, the liquid solvent that moves up the paper is the:
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MultiChoice
In paper chromatography, the absorbent paper acts as the:
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MultiChoice
Why is the baseline on chromatography paper drawn with a pencil instead of ink?
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MultiChoice
A dye component that is highly soluble in the mobile phase will:
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MultiChoice
Where should the solvent level be when placing the paper in the beaker?
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MultiChoice
The highest point reached by the liquid solvent on chromatography paper is the:
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MultiChoice
How is the Rf value calculated in chromatography?
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MultiChoice
If a sample produces only one single spot on a chromatogram, what does this indicate?
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MultiChoice
Which of the following is a practical use of chromatography in food safety?