1.

Which of the following combination is CORRECT ?

Answer»

(I) (i) (S)
(II) (ii) (R)
(III) (ii) (S)
(IV) (iii) (R)

Solution :Peptisation: Phenomenon in which a precipitate is pased into coiloidal form by adsorption of common ions on its surface.
Delta formation: When river water (SOL_) mets sea water (electrolyte) coagulaion occurs and elta is formed.
Tyndall EFFECT : Scattering of light rays by SUSPENDED particles in a colloids IA called Tyndall affect and sky looks Tyndall effect.
Protection of colloids : Protetive power of colloids in inversely RELATED to gold number.


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