Question

Use the information in the Table to answer the questions that follow.

Liquid	Boiling point (ºC)	Miscibility with water
Propane	56	Miscible
Octane	126	Immiscible
Water	100	-

1. State the method that can be used to separate propanone and water.  
2. Describe how a mixture of water and octane can be separated. 

Answer 1

1. Fractional distillation/ distillation
2. Place the mixture on a separating funnel/ dropping funnel/ burette
   Run down the bottom layer.
   Discard the interphase 
   OR
   Use of a dropper
   Suck the top layer
   Suck the interphase and discard it