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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
Answers (1)
The answer is the option (i, iv) Chalk adsorbs the coloured substance, but absorbs the solvent.
View full answer
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