Which statement is FALSE regarding the process of dialysis used for purifying colloids?

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 method is most effective in coagulating a lyophobic sol?

Which of the following has maximum coagulation power with ferric hydroxide sol?

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

The ion that is more effective for the coagulation of ${\rm{A}}{{\rm{s}}_2}{{\rm{S}}_3}$ sol is

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

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

A liquid which markedly scatters a beam of light (visible in dark room) but leaves no residue when passed through a filter paper is best described as :

The density of gold is $19\;{\rm{g/c}}{{\rm{m}}^3}$. If ${1.9 imes {{10}^{ - 4}}\;{\rm{g}}}$ of gold is dispersed in 1 L of water to give a sol having spherical gold particles of radius $10\;{\rm{ }}nm$, then the number of gold particles per $m{m^3}$ of the sol will be

Which of the following correctly represents the order of flocculating power for the coagulation of a negative sol by the given ions: $Fe^{3+}$, $Ca^{2+}$, and $K^{+}$?