Assessment Item 6 close window
Use the information and the diagram below to answer Numbers 6 and 7.

Starch turns blue-black in the presence of iodine solution. A selectively permeable dialysis sac containing a starch solution is placed into a beaker of iodine solution.

If the dialysis sac is permeable only to water and iodine, what will the solutions in the beaker and the sac look like after two hours?
 
Fake Radio Button   F     The iodine solution in the beaker will turn blue-black; the starch solution will not change.
Fake Radio Button   G     The starch solution in the dialysis sac will turn blue-black; the iodine solution will not change.
Fake Radio Button   H     Neither solution will turn blue-black.
Fake Radio Button   J     Both solutions will turn blue-black.
 
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