KIP PETICOLAS / FUNDAMENTAL PHOTOS / SCIENCE PHOTO LIBRARY KIP PETICOLAS / FUNDAMENTAL PHOTOS / SCIENCE PHOTO LIBRARY
Oil and water in a beaker, showing the immiscibility of the two liquids. The two liquids are mutually insoluble, so will not mix without the addition of an agent that breaks the surface tension of both. An example of this is a detergent. Despite any amount of agitation, the oil and water will always seperate out at rest.
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