The charge and solvation of the colloidal particles are the two factors which are responsible for the __________of lyophilic sols.
Stability
Reactivity
Viscosity
Fluidity
The isotherm explains the behaviour of adsorption in an approximate manner is
Ostwald
Langmuir
Freundlich
Rutherford
When excess of ____________is added,the colloidal particles are precipitated.
Electrolyte
Solvent
Colloidal particles
Solutes
Combination of hydrogen and nitrogen to form ammonia in presence of finely divided __________in Haber's process.
Carbon
Copper
Iron
Nickel
The minimum concentration of an electrolyte on millimoles per litre required to cause precipitation of a sol in two hours is called ___________value.
Coagulating
Condensation
Precipitation
Colloidal
Equation which approximately describes the behaviour of adsorption from solution by considering the concentration of the solution is
Freundlich's
Langmuir's
Rutherford's
Ostwald's
__________is used as a catalyst in the decomposition of Potassium chlorate.
Sulphuric acid
Manganese dioxide
nitric acid
Phosphorous pentoxide.
The activity of a catalyst depends upon the strength of ____________to a large extent.
Physisorption
Chemisorption
Desorption
Sorption
__________of a catalyst is its ability to direct a reaction to yield a particular product.
Selectivity
Solubility
Specificity
An important Zeolite catalyst used in petroleum industry is
ZSM-1
ZSM-3
ZSM-0
ZSM-5