Properties of Colloidal Solutions

Which of the following is the most effective electrolyte in coagulation of ${\mathrm{Fe}}_2{\mathrm{O}}_3.{\mathrm{H}}_2\mathrm{O} / {\mathrm{Fe}}^{3+} \mathrm{sol}$.

The CORRECT order of flocculating ions, in coagulation of a positive sols is

Measuring Zeta potential is useful in determining which property of colloidal solution?

The sol which cannot coagulate blood (haemoglobin) is

Brownian movement belongs to which of the following given property?

Flocculation value is expressed in terms of

Most effective coagulant for a colloidal solution of arsenic sulphide in water is

Which of the following is with highest and lowest flocculation value among ${\mathrm{Al}}^{+3},{\mathrm{Na}}^{+},{\mathrm{Mg}}^{+2},{\mathrm{Ba}}^{+2}$ ?
 

The potential difference between the fixed charged layer and the diffused layer having opposite charge is called

Which statement is incorrect?

When a river enters the sea, a delta is formed. Formation of delta is due to

Gelatin is often used as an ingredient in the manufacture of ice-cream. The reason for this is

Movement of colloidal particles under the influence of electric field is called

Which of the following has minimum protecting power?

Which of the following processes best describes the purification of muddy water by addition of alum?

Which one of the following statements is not correct?

The maximum power to precipitate arsenious sulphide is of

Tyndall effect is more effectively shown by

What will be nature of charge on colloidal particle when ${\mathrm{FeCl}}_3$  is added to excess of hot water?