___________are substances that enhance the activity of a catalyst.

The greater the valence of the flocculating ion added, the greater is the power to cause precipitation. This is known as

If a mixture of two immiscible or partially miscible liquids is shaken, coarse dispersion of one liquid in the other is obtained which is called as

___________are complex nitrogenous organic compounds which are produced by living plants and animals.

Equation which approximately describes the behaviour of adsorption from solution by considering the concentration of the solution is

When excess of ____________is added,the colloidal particles are precipitated.

The activity of a catalyst depends upon the strength of ____________to a large extent.

__________is used as a catalyst in the decomposition of Potassium chlorate.

The process of settling of colloidal particles is called _____________of the sol.

_______________are being widely used as catalysts in petrochemical industries.