The process which is responsible for the formation of a delta at a place where rivers meet the sea is

The coagulation of $200 \ mL$ of a positive colloid took place when $0.73 \ g$ of $HCl$ was added to it without changing the volume much. The flocculation value of $HCl$ for the colloid is

Bredig's arc method cannot be used to prepare a colloidal solution of which of the following?

Sodium stearate forms in water:

Ferric chloride is applied to stop bleeding because:

Fog is an example of ...