Match the following:-

List-$I$	List-$II$
$A$. Dialysis	$IV$. Purification of colloidal mixture
$B$. Peptization	$I$. Precipitate converts to colloidal mixture
$C$. Flocculation	$II$. Precipitation of colloidal mixture
$D$. Gold number	$III$. Protective power

• A
  $A-I, B-III, C-II, D-IV$
• B
  $A-IV, B-I, C-II, D-III$
• C
  $A-II, B-IV, C-III, D-I$
• D
  $A-III, B-II, C-IV, D-I$