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Chalk stick dipped in an ink solution ex...

Chalk stick dipped in an ink solution exhibits the Breaking the chalk stick, it is found still white from inside.
Explain the observations.

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Chalk stick dipped in an ink solution, the surface of the stick retains the colour of the ink due to adsorption of coloured molecules in the ink while the solvent of the in k goes deep into the stick due to absorption so on breaking the chalk stick, it is found to be white inside.
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