Albumin protein is a...

How many of the following statements are correct $:$
$(i)$ When freshly prepared precipitate are converted into colloidal solution then process is called peptization.
$(ii)$ Lyophilic sol are mostly of inorganic nature.
$(iii)$ Lyophilic sol are highly solvated as particles have great affinity for solvent.
$(iv)$ Lyophobic sols are reversible sols so special methods are required to prepare them.

Which is a natural colloid?

Which of the following anions has the maximum coagulating power for the precipitation of a positive sol?

Explain the purification of colloidal solutions.

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