Which of the following examples is/are oil-in-water-type emulsion?
A
Ink
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B
Detergent
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C
Soap
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D
Milk
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Solution
The correct option is C Milk Oil in water (o/w) type : In these emulsions, oil forms the dispersed phase and water, the dispersion medium. For example: milk, vanishing cream, etc. They are are also called aqueous emulsions.
Water in oil (w/o) type : In these emulsions, water is in the dispersed phase and oil is in the dispersion medium. For example: butter, cold cream etc. They are also called oil emulsions.