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Chemical Test Results Interpretation Guide

Learn how to analyze chemical test results using glucose and starch indicators, complete data tables, and answer questions. Understand cell model states and diffusion of water in laboratory activities with detailed instructions on each slide.

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Chemical Test Results Interpretation Guide

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  1. Start on p 3 of your lab: Go to Table 2 – chemical Test results The next slides will enable you to complete the table, and answer the question beneath the table.

  2. Blue colored glucose indicator Solution Tube 1 distilled water Tube 2 starch Tube 3 glucose

  3. Amber-colored starch indicator Solution Tube 1 distilled water Tube 2 starch Tube 3 glucose

  4. Go back to page 2: read and highlight directions # 1-10 Look at the next slide to answer questions on p 4 of your lab.

  5. Initial state of cell model: to complete Finalstate of cell model: again use letters “G, S, Diagram P4. Use letters “G,S and I” . and I”.

  6. On p 4 it says “use a pipette to transfer 10 drops of the solution in the beaker (outside the cell) to a clean test tube. Test it with Glucose Indicator Solution. This picture shows the result of this test: tube one: just Benedict’s Blue tube two: benedicts with beaker solutionanswer question 3 p 4.Finish all questions p3-5.

  7. Part 2 – Diffusion of Water • Read and highlight p 5 and 6. • P 7: Here is what the onion cells looked like. Answer qstn p7 #6:

  8. This is how we add slat water to our slide (#7): • The paper towel draws the salt water under the coverslip and across the cells.

  9. Use these images to answer p7 #8 – 11: • After we added salt water: • Before after

  10. Read #12. The picture below shows what you will see. Answer #13-14

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