A) evaporation
B) sedimentation
C) crystallisation
D) filtration
Correct Answer: A
Solution :
[a]Blue ink is a mixture of blue-dye (non-volatile solute) and water (volatile solvent). On evaporation, water is separated from the blue-dye \[\therefore \] water becomes volatile at \[100{}^\circ C\], while blue-dye is left in the container). |
Hence, (a) is the correct option. |
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