- Black ink is a mixture of different coloured dyes. - Chromatography is a separation technique used to separate components of a mixture based on their different affinities for a stationary phase and a mobile phase. - Paper chromatography is specifically effective for separating different dyes in ink.
Dyes in black ink can be separated by :
Asked in UPSC CISF AC EXE 2022 · Topic: Physical and Chemical Changes, Solution (Distinction between Physical and Chemical Changes)
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