1. How would you seperate sugar from water? (solid and liquid)

2. How would seperate a magnetic metal from sand? (two solids)

3. How would you seperate water from ethyl alcohol? (two liquids)

4. How can you seperate and differentiate salt from sugar (without tasting it)?

5. In chromatography , what is the stationary phase?

a. solid or liquid on which the materials to be separated are selectively adsorbed

b. a liquid or gas that flows through a chromatography system, moving the materials to be separated at different rates

c. the pencil line traced to place the samples

d. the material or samples spotted to be seperated

6. In chromatography , what is the mobile phase ? a. asolid or liquid on which the materials to be separated are selectively adsorbed

b. a liquid or gas that flows through a chromatography system , moving the materials to be separated at different rates

c. the pencil line traced to place the samples

d. the material or samples spotted to be seperated

7. When doing paper chromatography where should the solvent level be with respect to the dots?

a. it doesn't really matter

b. below the dots

c. above the dots

d. right on top of the dots