Question

Dye test which is used to identify type of emulsion in that which dye is used *
C) Scarlet Green
Scarlet red
B) crystal violet
D) methylene Blue​

Answer 1

Answer:

Crystal violet .

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Answer 2

Dye test used to indentify type of emulsion in that which dye is used is scarlet red.

Explanation:

• Dye test is performed when water soluble dye tints O/W emulsion.
• Blending of a small quantity of oil with water outcomes in a two-phase system because ‘water and oil do not mix’.
• If the identical small quantity of oil is introduced to an aqueous solution of a appropriate surfactant withinside the micellar state, the oil may preferentially dissolve withinside the interior of the micelle due to its hydrophobic character.
• This kind of micellar microemulsion is referred to as an o/w micellar solution.
• Oil in water (O/W) is kind of emulsion, the oil will be the dispersed phase and water will be the dispersion medium.
• The great example for o/w emulsion is milk.
• In milk, the fats globules (which act because the dispersed phase) are suspended in water (which acts because the dispersion medium).