Question

(a) Write the dispersed phase and dispersion medium of milk.
(b) Write one similarity between physisorption and chemisorption.
(c) Write the chemical method by which $Fe(OH{)}_3$ sol is prepared from $FeC{l}_3$.

Answer 1

(a) Both are liquid (Emulsion).
(b) Physisorption and chemisorption are similar in that they are both surface phenomena.
(c) $FeC{l}_3+3H_{2}O\stackrel{\text{Hydrolysis}}{\to }\underset{\left(Sol\right)}{Fe(OH{)}_3}+3HCl$