Complex Carbohydrates test
Problem: Are complex carbohydrates present?Hypothesis : If the substance mixed with iodine changes to a dark violent/black color then complex carbohydrates are present.
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Procedures :
1. Obtain 5 test tubes from your teacher. Use a piece of tape to label them: Albumin, Oil, Glucose, Starch and Water.
2. Add 10 mL of each solution in their labeled test tube.
3. Obtain 5 pipettes; use one for each test tube. Drop 5 drops of Iodine solution in each test tube. If the substance changes to a dark blue, violet or almost black color it is positive for containing complexcarbohydrates. Observe and record your results.
Results:
Left: Positive Test
Right: NegativeTest
1. Obtain 5 test tubes from your teacher. Use a piece of tape to label them: Albumin, Oil, Glucose, Starch and Water.
2. Add 10 mL of each solution in their labeled test tube.
3. Obtain 5 pipettes; use one for each test tube. Drop 5 drops of Iodine solution in each test tube. If the substance changes to a dark blue, violet or almost black color it is positive for containing complexcarbohydrates. Observe and record your results.
Results:
Left: Positive Test
Right: NegativeTest