Explain the principle which governs the
separation of coloured components present
in black ink, using chromatography.
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1
Answer:
Blue or black dye can be separated from ink by the process of evaporation. Ink is a colloidal solution and a heterogeneous mixture of dye and water.
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2
Answer:
Put a small drop of ink with help of a pen at centre of line and let it dry. ... Ink drop splits up into its constituents. Conclusion: Dye in black ink is a mixture of 2 or 3 colours. The coloured component that is more soluble in the water rises faster and in this way, the colours get separated.
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