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What kind of process is adsorption?
Entropy during adsorption ...........
Peptisation is a process of
Precipitation of colloid
Dispersion of precipitate
purification of colloids
Movement of colloid under electric potential
The difference in potential of fixed and mobile layer is called ..........
Extent of physisorption increases with
decrease in surface area
increase in temperature
decrease in temperature
decrease in strength of van der waal forces
In physisorption adsorbent does not show specificity for any particular gas because ______________.
involved van der Waals forces are universal
it is a reversible process
Enthalpy is low
Gases behave as ideal gases
At high concentration of soap in water, soap behaves as
The minimum temperature required for formation of associated colloid is called...........
Which of the following electrolytes will have maximum coagulating value for AgI/Ag+ sol? (AgI/Ag+ implies positive sol)
Which of the following ion will have highest coagulating power for coagulating a negatively charged sol?
If the dispersed phase is a liquid and the dispersion medium is solid, the colloid is known as
The movement of colloidal particles towards the oppositely charged electrodes on passing electric current is known as
The process of settling of colloidal particle is called....
It is a process of removing a dissolved substance from a colloidal solution by means of diffusion through a suitable membrane
Which is not true for chemisorption?
It involves high activation energy
It is highly specific
It involves chemical bond formation
It is reversible