At isoelectric point:

Identify the correct statements from the following:
$I$) Sulphur sol is an example of a multimolecular colloid.
$II$) Starch sol is an example of an associated colloid.
$III$) Artificial rubber is an example of a macromolecular colloid.

Which statement is correct for milk?

Which of the following properties is responsible for the development of colour in colloids?

Action of soap is due to emulsification and micelle formation. Comment.

Among the following,the false statement is