Which of the following electrolytes will have the maximum flocculation value for $Fe(OH)_3$ sol?

$A$ micelle is a.......

Which of the following electrolytes has the maximum coagulating power?

Why is gelatin used in the preparation of ice cream?

In which of the following does coagulation not occur?

Tyndall effect is observed only when:
$(i)$ the diameter of the dispersed particles is not much smaller than the wavelength of the light used.
$(ii)$ the refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude.
$(iii)$ the size of the particles is generally between $10^{-11} \ m$ and $10^{-9} \ m$ in diameter.
$(iv)$ the dispersed phase and the dispersion medium can be seen separately in the system.