The right option for the statement "Tyndall effect is exhibited by",is :

Which mixture of the solutions will lead to the formation of a negatively charged colloidal $[AgI]I^{-}$ sol?

The function of $Fe(OH)_{3}$ in the contact process is

If gold number of $A$,$B$,$C$ and $D$ are $0.005$,$0.05$,$0.5$ and $5$ respectively,then which of the following will have the highest protective power?

$A$ colloidal solution is subjected to an electric field,and the colloidal particles move towards the anode. The amount of electrolytes $BaCl_{2}$,$AlCl_{3}$,and $NaCl$ required to coagulate the given colloid is in the order:

Which of the following is most suitable to disperse benzene in water?