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Milk is an example of a colloid of the type

  1. Aliquid dispersed in liquid (emulsion)
  2. Bsolid dispersed in liquid (sol)
  3. Cgas dispersed in liquid (foam)
  4. Dliquid dispersed in solid (gel)

Answer: A

Milk consists of fat droplets dispersed in water. A liquid dispersed in a liquid is an emulsion, so milk is an emulsion of the oil-in-water type.
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