1. Mixtures and Their Separation Zhang Qi International Department of HACFLS

2. Chemical Experiment

3. Chemical reaction: Fe+S → FeS mixture compound iron:Fesulfur:S iron sulfide:FeS a new substance Chemical Experiment

4. What’s Compound? Mixture?

5. How to Separate the Mixture liquid (1)l/l mixture (2)l/s mixture (3)s/s mixture solid liquid solid separate (v) separation (n) kinds of mixture

6. (1) Separation of L/L Mixture Liquids which are immiscible Figure Separate the pink liquid from the oil by using separating funnel separating funnel

7. (2)Separation of L/S Mixture Method1:Decanting Figure The decanting process ① decanting; ② filtration beaker

8. Method2: Filtration Figure The filtration process funnel beaker filter paper

9. (3) Separation of S/S Mixture Figure A magnet will separate the iron from the mixture physical property

10. What have you learned? ?

11. Summary l/l mixture l/s mixture s/s mixture liquids which are immiscible liquids which are miscible ? separating funnel decanting, filtration the physical property mixture mixing of two or more substance separation