Observe the following statements:
I. Micelles have both lyophilic and lyophobic parts
II. Starch in water is an example for multimolecular colloid
III. The CMC of a soap is \(10^{-3}\,\text{mol L}^{-1}\). It can form a micelle when its concentration is less than \(10^{-3}\,\text{mol L}^{-1}\)
IV. Gold sol can be prepared by Bredig's Arc method
Choose the correct statements.
