Colloids

Select the false statement(s):

A colloidal system involves

Define dispersion medium for a colloid.

Define dispersed phase for a colloid.

What are the dispersed phase and dispersion medium in milk?

Complete the blank in the above diagram of dialysis.

Give reasons.

Same compound can acts as both crystalloid and colloid.

What is purple of Cassius?

Explain why colloidal particles in sols are good adsorbent.

Which one of the following is not a colloidal system:

The size of a colloidal particle is:

Which one is colloid: 

The colloid is:

Fog is a colloidal solution of:
 

Which of the following electrolyte will have minimum coagulating value to coagulate ${\mathrm{As}}_2{\mathrm{S}}_3$ sol?
 

A negatively charged sol can be formed by peptizing a solution of

For the coagulation of  $500 \mathrm{mL}$ of arsenious sulphide sol, $2 \mathrm{mL} \mathrm{of} 1\mathrm{M} \mathrm{NaCl}$ is required. What is the flocculation value of $\mathrm{NaCl}$?

 Aluminium hydroxide forms a positively charged solution. Which of the following ionic substances should be most effective in coagulating the solution ?

Arsenic $\left(III\right)$ sulphide forms a solution with a negative charge. Which of the following ionic substances should be most effective in coagulating the solution ?

Silt in a water is: