Among the aqueous sol of As2S3, Fe(OH)3 , gold and starch , that of – is a hydrophilic sol.

(a)  

Among starch gelatin , As2S3 and gum, the best protective colloid is ——

(a)  

Tyndall effect is an —— property of sols.

(a)  

The random erratic, zigzag motion of colloidal particles is called ——motion

(a)  

In a —— sol there is very little affinity between the dispersed phase and dispersion medium

(a)  

A colloidal solution in which the dispersed phase is a liquid and dispersion medium is a solid is known as ——

(a)  

Formation of Deltas at the mouths of rivers involves the process of —— of dispersed impurities of river water

(a)  

Colloidal particles migrate under the influence of an electric field and this property is called ——

(a)  

The protective action of different lyophilic colloid is expressed in terms of——

(a)  

The addition of an electrolyte in sufficient concentration to a sol results in the ——of the sol.

(a)  

The phenomenon of —— is due to the scattering of light by colloidal particles.

(a)  

The smaller the gold number of a protective colloid, the —— is its protective action.

(a)  

A substance that stabilises an emulsion is called an ——

(a)  

The process of bringing a freshly precipitated substance into the colloidal state by adding a suitable reagent is called ——

(a)  

Tyndall effect Is due to —— of light by colloidal particles.

(a)  

The visibility of the path of the beam from the projector in a cinema hall is an example for the phenomenon called ——

(a)  

The migration of the dispersion medium towards an electrode is observed in the phenomenon known as ——

(a)  

Among starch, gelatin, gum and haemoglobin the one that has the lowest gold number is –

(a)  

—— Kind of substances can be converted to the sol state by the Bredigs arc method.

(a)  

—— denotes the pH at which the particles of a protein sol become electrically neutral and exhibit no movement in an electric field?

(a)  

The minimum concentration of an electrolyte required to cause coagulation of a sol is called its –

(a)  

The potential difference exist between the fixed and mobile layers of the electrical double layer of a colloidal system is called ——

(a)  

Many gels exude small amounts of liquids on standing and thereby experience a contraction. this phenomenon is called the ——

(a)  

Some gels on vigourous shaking change into the corresponding sol, this is called ——

(a)