If a negatively charged $AgI$ sol is formed by mixing $AgNO_3$ and $KI$, which ion is preferentially adsorbed?

The sky looks blue due to

Associated colloid among the following is

Cellulose dispersed in ethanol is called

On adding few drops of dilHCl to freshly precipitated ferric hydroxide, a red coloured solution is obtained. This phenomenon is known as

Which of the following acts as protective colloid?

Which forms micelles in aqueous solution above certain concentration?

The concentration of electrolyte required to coagulate a given amount of ${\rm{A}}{{\rm{s}}_2}{{\rm{S}}_3}$ sol is minimum in the case of

Some types of gels like gelatin liquefy on shaking, thereby changing into sols. The sols on standing changes back into gel. The process is known as :

A negatively charged suspension of clay in water needs for precipitation the minimum amount of :

Tanning of leather is :