The example of a heteropolar sol is

Light scattering in colloidal particles is

Which one has the highest coagulation power?

$100 \ mL$ of $0.0018\%(w/v)$ solution of $Cl^{-}$ ion was the minimum concentration of $Cl^{-}$ required to precipitate a negative sol in one $h$. The coagulating value of $Cl^{-}$ ion is $.......$ (Nearest integer).

Incorrect statement for Tyndall effect is ..... .

Which property of colloidal solution is independent of charge on the colloidal particles?