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Quiz 3
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Q.1
The amount of heat evolved when one mole of a gas is adsorbed on a solid surface is called as
Molar enthalpy of absorption
Molar enthalpy of desorption
Molar enthalpy of adsorption
entropy of adsorption
Q.2
Which can be used as an adsorbent for removal of moisture and controlling humidity in room?
Silicon
Clay
Silica
Ceramic
Q.3
In gas masks which substance is used to absorb toxic gases and vapours?
Coal powder
Animal charcoal
Wood charcoal
Activated charcoal
Q.4
Adsorption is a
Bulk phenomena
Surface phenomena
Both
None of these
Q.5
Micelles are
ideal solutions
associated colloids
adsorbed surfaces
macromolecular colloids
Q.6
Lyophobic colloids are
irreversible
water loving
solvent loving
reversible
Q.7
Which forms multi molecular layers during adsorption
vander waal's adsorption
physical adsorption
Freundlich adsorption
All are correct
Q.8
Physical adsorption
increases with increase in temperature
decreases with increase in temperature
occurs readily at high temperature
none
Q.9
Adsorption is invariably an
endothermic process
exothermic process
can't be distinguished
both endothermic & exothermic
Q.10
Roushon loves
tory
Victoria
plum
all are correct
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