Question

Which of the following statements is not true
about the oil-in-water type emulsion?
(a) On addition of small amount of water, no
separate layer of water appears
(b) On addition of oil, separate layer of oil is
formed
(c) Addition of an electrolyte causes the
conductivity of the emulsion to increase
(d) Addition of small amount of oil soluble dye
renders the entire emulsion coloured.

Answer 1

Answer:

I think it is option c is correct

Answer 2

(d) Addition of small amount of oil soluble dye renders the entire emulsion coloured.

Explanation:

(a) On addition of small amount of water, no separate layer of water appears - True

(b) On addition of oil, separate layer of oil is formed - True

(c) Addition of an electrolyte causes the conductivity of the emulsion to increase - True

(d) Addition of small amount of oil soluble dye renders the entire emulsion coloured. - False

Option D is the answer