Question

S₁: In emulsion oil in water get separated in two different layers.
S₂: It can be stabilized by adding excess of electrolyte.

(1) S₁ is true and S₂ is false
(2) Both statements are true
(3) Both statements are false
(4) S₁ is false and S₂ is true

Answer 1

Correct option is (1) S₁ is true and S₂ is false

Emulsions of oil in water are unstable and sometimes they separate into two layers on standing. For stabilisation of an emulsion, a third component called emulsifying agent is usually added.