1
MCQ (Single Correct Answer)
Which of the following process does not occur at the interface of phases?
A
Crystallisation
B
Heterogeneous catalysis
C
Homogeneous catalysis
D
Corrosion
2
MCQ (Single Correct Answer)
At the equilibrium position in the process of adsorption ............ .
A
$\Delta H>0$
B
$\Delta H=T \Delta S$
C
$\Delta H>T \Delta S$
D
$\Delta H< T \Delta S$
3
MCQ (Single Correct Answer)
Which of the following interface cannot be obtained?
A
Liquid-liquid
B
Solid-liquid
C
Liquid-gas
D
Gas-gas
4
MCQ (Single Correct Answer)
The term 'sorption' stands for ............ .
A
absorption
B
adsorption
C
Both absorption and adsorption
D
desorption
5
MCQ (Single Correct Answer)
Extent of physisorption of a gas increases with .......... .
A
increase in temperature
B
decrease in temperature
C
decrease in surface area of adsorbent
D
decrease in strength of van der Waals' forces