Essential Chemistry for IGCSE - Particles And Purification (Section 6 - No. 33)
What is the purpose of the spotting line (baseline) in paper chromatography?
To indicate the solvent level.
To mark the starting points of the sample spots.
To provide structural support for the paper.
To prevent the solvent from moving.
Explanation
The spotting line indicates where the sample is applied.
Comments (0)
