Materials:
•Olive oil.
•Solvents: (diluted acid - dilute alkaline - ethanol - ether - chloroform – acetone).
•Water bath, Test tubes.
Method:
•Place 0.5ml of oil in 6 test tubes clean, dry containing 4ml of different solvents (acetone, chloroform and ether and ethanol, cold ethanol and hot water),
•Shake the tubes thoroughly, then leave the solution for about one minute,
•Note if it separated into two layers , the oil are not dissolve; but if one layer homogeneous transparent formed , oil be dissolved in the solvent.
