Essential Chemistry for IGCSE - Particles And Purification (Section 2 - No. 9)
What is the role of the mobile phase in chromatography?
To provide the stationary surface.
To carry the sample through the stationary phase.
To cause the sample to react.
To dissolve the sample.
Explanation
The mobile phase is the solvent that carries the mixture through the stationary phase, allowing separation.
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