WorksheetsChemistry
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
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.
2.
The term ‘sorption’ stands for ____________.
a)
absorption
b)
adsorption
c)
both absorption and adsorption
d)
desorption
3.
Which of the following interface cannot be obtained?
a)
liquid-liquid
b)
solid-liquid
c)
liquid-gas
d)
gas-gas
4.
At the equilibrium position in the process of adsorption ___________.
a)
ΔH > 0
b)
ΔH = TΔS
c)
ΔH > TΔS
d)
ΔH < TΔS
5.
Which of the following process does not occur at the interface of phases?
a)
crystallisation
b)
heterogenous catalysis
c)
homogeneous catalysis
d)
corrosion
100 %
