Which of the following options is/are TRUE about coagulation-flocculation process?
- Collision of colloidal particles due to their Brownian motion results in orthokinetic flocculation.
- Collision of colloidal particles due to the external mixing of bulk medium results only in perikinetic flocculation.
- In an electric double layer model of a colloidal particle, Stern layer is more compact than the diffuse layer.
- The zeta potential is also called Stern potential.
