Essential Chemistry for IGCSE - Particles And Purification (Section 6 - No. 47)
What is the correct order of the steps in paper chromatography?
Spot the sample, develop the chromatogram, dry the paper, measure the R_f value
Develop the chromatogram, spot the sample, dry the paper, measure the R_f value
Spot the sample, dry the paper, develop the chromatogram, measure the R_f value
Dry the paper, spot the sample, develop the chromatogram, measure the R_f value
Explanation
The correct order is spot the sample, develop the chromatogram, dry the paper, and then measure the R_f value.
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