Tyndall effect is shown by

Butter is a colloid. It is formed when

Which of the following nanomaterials has one dimension less than $100 \ nm$?

Which of the following is most suitable to disperse benzene in water?

$A$ colloidal solution is subjected to an electrical field. The particles move towards the anode. The coagulation of the same sol is studied using $NaCl$,$BaCl_2$,and $AlCl_3$ solutions. Their coagulating power should be:

Give an example of a solid sol in which the dispersed phase is in a gaseous state.