The movement of colloidal particles under an applied electric potential is called
Electrophoresis
Electrokinetics
Electro plating
Electrochemical effect.
The isotherm explains the behaviour of adsorption in an approximate manner is
Ostwald
Langmuir
Freundlich
Rutherford
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
___________are substances that enhance the activity of a catalyst.
Reactants
Products
Promoters
Moderators
The catalytic reaction depends upon the pore structure of the catalyst and the size of the reactant and product molecules is called _____________catalysts.
Reactivity-selective
Solubility-selective
Shape-selective
Specific
The greater the valence of the flocculating ion added, the greater is the power to cause precipitation. This is known as
Hund's Rule
Huckel Rule
Hardy-Schulze Rule
PH Rule
__________is used as a catalyst in the decomposition of Potassium chlorate.
Sulphuric acid
Manganese dioxide
nitric acid
Phosphorous pentoxide.
When excess of ____________is added,the colloidal particles are precipitated.
Electrolyte
Solvent
Colloidal particles
Solutes
Which one of the following order represent the correct order of flocculating power of ions in the coagulation of a positive sol.
PO43- > Cl- > SO42-
PO43- > SO42- > Cl-
Cl- > SO42 - > PO43-
SO42- > Cl- > PO43-
An important Zeolite catalyst used in petroleum industry is
ZSM-1
ZSM-3
ZSM-0
ZSM-5