Given below are two statements :

Statement I : Emulsions of oil in water are unstable and sometimes they separate into two layers on standing.

Statement II : For stabilisation of an emulsion, excess of electrolyte is added.

In the light of the above statements, choose the most appropriate answer from the options given below :

Match List - I with List - II :


Choose the most appropriate answer from the options given below.

Select the graph that correctly describes the adsorption isotherms at two temperatures T₁, and T₂ (T₁ > T₂) for a gas :

(x - mass of the gas absorbed ; m - mass of adsorbent ; P - pressure)

Lyophilic sols are more stable than lyophobic sols because :