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Adsorption and Colloids — Chemistry STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryAdsorption and Colloids2 Marks
Question
Dip a chalk in ink. What do you observe?
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Answer

When a chalk is dipped in ink, it is observed that the ink molecules are adsorbed at the surface of chalk and the surface becomes coloured, while the solvent of the ink goes deeper into the chalk due to absorption.

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