Which of the following is an example of a hydrophobic sol?

When freshly prepared $Fe(OH)_3$ precipitate is boiled in water in the presence of a few drops of dilute $HCl$,a colloidal sol of ferric hydroxide is formed. This process is known as .......

Which property of colloidal solution is independent of charge on the colloidal particles?

As per the Hardy-Schulze rule,the flocculation values of the following electrolytes for a ferric hydroxide sol are in the order:

The gold number is maximum for which of the following lyophilic sols?

Medicines are more effective if they are used in.......