Which one of the following is true about floating soaps?
These are made by beating tiny air bubbles before their hardening
These are made by dissolving soap in ethanol, then evapourating excess solvent
These are made by adding substances of medicinal value like dettol etc.
The soaps contain gycerol and rosin forming sodium resoinate for lather
Soaps that float in water are made by beating tiny air bubbles before their hardening.
The correct option is 1.