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Investigating Membrane Permeability Apparatus: * 8 test tubes * Test tube rack * Measuring cylinder * Bunsen burner * Knife * Beaker * 1 beetroot * Dilute hydrochloric acid * Dilute sodium hydroxide solution * Ethanol * Distilled water * Thermometer * Tongs * Tripod * Mat * Cork borer Method: 1. I first cut three discs each about 2mm thick from the cylinder, which was cut out of the beetroot using a corer and place them in a test tube containing 10cm3 distilled water. This was my test tube number1. 2. I then cut 21 more discs and rinse them under the running water, until the pink water collected in the beaker was clear. 3. I placed three of the 21 washed discs, in each four test tubes. To test tube 2 I added 10cm3 of distilled water To test tube 3 I added 10cm3 of ethanol To test tube 4 I added 10cm3 of dilute hydrochloric acid To test tube 5 I added 10cm3 of dilute sodium hydroxide...

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