alleryCHROMATOGRAPHY is most commonly used in school labs to:
AFilter sand particles from a sand-water mix
BSeparate iron filings from a salt-sand mixture
CEvaporate water from a saline solution dish
DSeparate the different dye components in an ink spot
Answer & Solution
Correct answer: D. Separate the different dye components in an ink spot
Chromatography separates a mixture of similar dye components by their different speeds of migration through a stationary phase (paper, silica).
The components travel at different speeds and separate.
Used in pigment analysis, drug testing, forensics.
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