liquids

liquids

1. mixtures

   • When two or more substances have mixed together. They have not bonded, and so can be separated.

2. Immiscible liquids

   • Immscible liquids do not mix. they are separated using a separating funnel. vinegar runs out of the funnel, the stopper is removed when all vinegar has drained away. The liquid with the lowest density floats.
   • Vinegar and oil
   • oil and water

3. Pure liquids

   • To identify pure liquids, boil the liquid and make the evaporated liquid go down a condensing tube and into another beaker. 

4. miscible liquids

   • Miscible liquids mix completely. They are separated by fractional distillation. The substance is heated until one substance evaporates. Then the temperature goes up and the next substance evaporates.
   • Ethanol and water

5. Chromatography