Which of the following is an example of a colloidal solution?

Which of the following electrolytes is least effective in coagulation ferric hydroxide solution?

Which one of the following will have highest coagulating power for ${\rm{A}}{{\rm{s}}_2}{{\rm{S}}_3}$ colloid?

Addition of ${\rm{FeC}}{{\rm{l}}_3}$ to ${{\rm{K}}_4}\left[ {{\rm{Fe}}{{\left( {{\rm{CN}}} \right)}_6}} \right]$ in dilute and cold solution gives :

The concentration of electrolyte required to coagulate a given amount of ${\rm{A}}{{\rm{s}}_2}{{\rm{S}}_3}$ sol is minimum in the case of

The coagulation values in millimoles per litre of the electrolytes used for the coagulation of ${\rm{A}}{{\rm{s}}_{\rm{2}}}{{\rm{S}}_{\rm{3}}}$ are given belowI) ${\rm{(}}NaCl{\rm{)}}\,{\rm{ = }}\,{\rm{5.2}}$ II) ${\rm{(}}BaC{l_2}{\rm{)}}\,{\rm{ = }}\,0.69$ III) ${\rm{(}}MgS{O_4}{\rm{)}}\,{\rm{ = }}\,0.22$ The correct order of their coagulating power is

Which of the following mixture will lead to the formation of negatively charged colloid $[AgI]{I^ - }$

Which of the following will be the most effective in the coagulation of ${\rm{Fe}}{\left( {{\rm{OH}}} \right)_3}$ sol?

Arrange the following electrolytes in increasing order of coagulation in power for $A{S_2}{S_3}$ sol $\begin{array}{*{20}{c}}

{{{\rm{A}}{\rm{1}}}}&{{{\rm{A}}{\rm{2}}}}&{{{\rm{A}}_{\rm{3}}}}&{{{\rm{A}}_4}}\

{{{\rm{K}}{\rm{2}}}{\rm{S}}{{\rm{O}}{\rm{4}}}}&{{\rm{CaC}}{{\rm{l}}{\rm{2}}}}&{{\rm{N}}{{\rm{a}}{\rm{3}}}{\rm{P}}{{\rm{O}}{\rm{4}}}}&{{\rm{AlC}}{{\rm{l}}{\rm{3}}}}

\end{array}$

Clouds are a colloidal system of:

The gold number of protective colloids A, B, and C are 0.02, 0.002, and 0.2 respectively. Arrange these colloids in increasing order of their protective power.