Which is not correct regarding the adsorption of a gas on surface of a solid?
On increasing temperature adsorption increases continuously.
Enthalpy and entropy change is negative.
Adsorption is more for some specific substance.
It is a reversible reaction.
Adsorption is the property of a substance to
hold or to concentrate liquid or dissolved substances
upon its surface. Solids adsorb greater amount of
substance at lower temperature and in general
adsorption decreases with increasing temperature.
MCQ (Single Correct Answer)
Which one of the following method is commonly used method for destruction of colloid?
Filteration by animal membrane
By adding electrolyte
By adding electrolytes the colloidal
particles are precipitated. The electrolytes neutralise
the charge of colloids leading to their coagulation
and thus destroy the colloid.
Questions Asked from Surface Chemistry
On those following papers in MCQ (Single Correct Answer)
Number in Brackets after Paper Indicates No. of Questions