Which of the following phenomenon occurs when a chalk stick is dipped in ink?

(i) Adsorption of coloured substance

(ii) Adsorption of solvent

(iii) Absorption and adsorption both of solvent

(iv) Absorption of solvent

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7 months ago

This is a Multiple Choice Type Questions as classified in NCERT Exemplar

Ans: (i) and (iv)

When a chalk stick is dipped in ink, the surface retains the colour of the ink due to adsorption of coloured molecules

while the solvent of the ink goes deeper into the stick due to absorption so the answers are

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Chemistry NCERT Exemplar Solutions Class 12th Chapter Five 2025

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