Tarch turns a blue-black colour in the presence of iodine. Julian decides to use this information to test the permeability of some dialysis tubing.
Julian fills the tubing with a starch solution and places it in a beaker of iodine and water. After two hours, the starch solution in the dialysis tubing turns blue-black. The iodine solution remains the same colour (it doesn’t change colors).
What do Julian’s results show about the permeability of the tubing?
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Brian Wabwire
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Brian Wabwire2024-04-25 10:11:042024-05-03 08:02:26The dialysis tubing
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