I. absorption of solvent |
II. adsorption of coloured substance |
III. absorption and adsorption both of solvent |
IV. adsorption of solvent |
A) I and II
B) II and III
C) III only
D) IV only
Correct Answer: A
Solution :
When a chalk stick is dipped in ink, adsorption of coloured substance takes place and absorption of solvent occurs.You need to login to perform this action.
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