Introduction to Colloids

Q. Match List I with List II and select the correct answer:-
$\begin{array}{cc}\text{List I}& \text{List II}\\ \text{(A) Coagulation}& \text{(P) Scattering of light}\\ \text{(B) Dialysis}& \text{(Q) Formation of colloidal solution from precipitates}\\ \text{(C) Peptization}& \text{(R) Purification of colloids}\\ \text{(D) Tyndall effect}& \text{(S) Aggregation of colloidal sol}\end{array}$

1. A - P; B - Q; C - R; D - S
2. A - S; B - Q; C - R; D - P
3. A - S; B - R; C - Q; D - P
4. A - R; B - Q; C - S; D - P

Q. The volume of colloidal particle $V_c$ as comapred to the volume of solute particle in a true solution $V_s$ could be

1. $\frac{V_c}{V_s}=1$
2. $\frac{V_c}{V_s}={10}^{23}$
3. $\frac{V_c}{V_s}={10}^{-3}$
4. $\frac{V_c}{V_s}={10}^3$

Q. The volume of colloidal particle $V_c$ as comapred to the volume of solute particle in a true solution $V_s$ could be

1. $\frac{V_c}{V_s}=1$
2. $\frac{V_c}{V_s}={10}^{23}$
3. $\frac{V_c}{V_s}={10}^{-3}$
4. $\frac{V_c}{V_s}={10}^3$

Q. The movement of colloidal particles under an applied electric potential is called:

1. Electrodispersion
2. Electrokinetic potential
3. Electrophoresis
4. None of the above

Q.

Size of colloidal particles is

[CPMT 1984; MP PMT 1990, 92]

1. 
   
2. 
3. 
4.