Butter is:

$100 \ mL$ of $0.0018\%(w/v)$ solution of $Cl^{-}$ ion was the minimum concentration of $Cl^{-}$ required to precipitate a negative sol in one $h$. The coagulating value of $Cl^{-}$ ion is $.......$ (Nearest integer).

The white of an egg is partly coagulated by heating,which can be converted back into a colloidal sol by adding some pepsin and a little $HCl$. This process is called:

Which of the following contributes to the extra stability of lyophilic colloids?

Which of the following is a property of lyophilic colloids?

An emulsifier: