When a large number of atoms or small molecules of a substance combine together in a dispersion medium to form aggregates having size in the colloidal range, the colloidal solutions thus formed are called
Multimolecular colloids
Macromolecular colloids
Associated colloids
Lyophobic colloids
Sols consisting of air as dispersion medium are usually known as
Hydro sols
Alchosols
Aerosols
Benzosols
Solid aerosol is an example of colloidal system of :
Gas dispersed in gas
Solid dispersed in gas
Liquid dispersed in gas
Solid dispersed in liquid
According to the adsorption theory of catalysis, the speed of the reaction increases because
absorption produces heat which increases the speed of the reaction
adsorption lowers the activation energy of the reaction
the concentration of reactant molecules at the active centres of the catalyst becomes high due to adsorption
in the process of adsorption, the activation energy of the molecules becomes large
Aerosol of liquid is the common name of the system whose dispersed phase is liquid and dispersion medium is
solid
liquid
Froth
gas
At the critical micelle concentration (CMC) the surfactant molecules
decompose
dissociate
associate
become completely soluble
The substance which when mixed with a suitable liquid readily form colloidal solutions are called
Lyophilic colloids
Hydrophilic colloids
Hydrophobic colloids
Which of the following colloids are solvents
Lyophobic
Lyophilic
Hydrophobic
None of these
Solution which can pass through ordinary filter paper but not through animal membrane is
Colloidal solutions
True solutions
Suspensions
Sugar solutions
Peptization is a process of
Purifying colloidal particles
Precipitating colloidal particles
Separating the particles of colloids
Dispersing the precipitate into colloidal state
