Answer:
1.soysauce and vinegar, alcohol and water this examples mixed completely because they have a source that made them mixed completely.
2. When another polar liquid such as ethanol is mixed with water, they completely blend and dissolve into one another.
3.Oil and water are said to be “immiscible,” because they do not mix.
4.because the oil is less denser than the water.
5.the changes of color and it's quantity.
