20
MCQ (Single Correct Answer)
The values of colligative properties of colloidal solution are of small order in comparison to those shown by true solutions of same concentration because of colloidal particles .............. .
A
exhibit enormous surface area
B
remain suspended in the dispersion medium
C
form lyophilic colloids
D
are comparatively less in number
21
MCQ (Single Correct Answer)
Arrange the following diagrams in correct sequence of steps involved in the mechanism of catalysis, in accordance with modern adsorption theory.
A
$\mathrm{I} \rightarrow \mathrm{I} \rightarrow \mathrm{III} \rightarrow \mathrm{IV} \rightarrow \mathrm{V}$
B
$\mathrm{I} \rightarrow \mathrm{III} \rightarrow \mathrm{II} \rightarrow \mathrm{IV} \rightarrow \mathrm{V}$
C
$\mathrm{I} \rightarrow \mathrm{III} \rightarrow \mathrm{II} \rightarrow \mathrm{V} \rightarrow \mathrm{IV}$
D
$\mathrm{I} \rightarrow \mathrm{II} \rightarrow \mathrm{III} \rightarrow \mathrm{V} \rightarrow \mathrm{IV}$
22
MCQ (Single Correct Answer)
Which of the following process is responsible for the formation of delta at a place where rivers meet the sea?
A
Emulsification
B
Colloid formation
C
Coagulation
D
Peptisation
23
MCQ (Single Correct Answer)
Which of the following curves is in according with Freundlich adsorption isotherm?
A
B
C
D
24
MCQ (Single Correct Answer)
Which of the following process is not responsible for the presence of electric charge on the sol particles?
A
Electron capture by sol particles
B
Adsorption of ionic species from solution
C
Formation of Helmholtz electrical double layer
D
Absorption of ionic species from solution