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Anonymous
Emulsification is the process of turning some substance into an emulsion, which is a lot of small particles suspended in some medium, usually water.
To add onto this, emulsification is used to make salad dressings.
Wiki User
It is the mixing of fat with bile, that causes small droplets of fat to form rather than one big blob. This is useful because the enzyme secreted by the pancreas, pancreatic lipase, that breaks down fat works better on the greater surface area produced by lots of little droplets of fat.