CBSE Class 12 Chemistry 2022 Term 2 Delhi Set 3

Question : 7 of 12

Marks: +1, -0

(a) Differentiate between the following:
(i) Adsorption and Absorption
(ii) Lyophobic Sol and Lyophilic Sol
(iii) Multimolecular Colloid and Macromolecular colloid.
OR
(b) (I) Define the following terms:
(i) Zeta Potential
(ii) Coagulation
(II) Why a negatively charged sol is obtained when

{\AgNO}_3

solution is added to

{\KI}

solution?

Solution:

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