BI-68
Food tests
Biology · Secondary 3 · Easy · Food tests
A student tests a food sample for starch using iodine solution. After adding a few drops of iodine solution, the mixture turns blue‑black. What does this result show?
- Starch is present in the food sample.
- Reducing sugar is present in the food sample.
- Protein is present in the food sample.
- Fat is present in the food sample.
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