BI-1234
Food tests
Biology · Secondary 4 · Easy · Food tests
During an experiment, a student tests a food sample with iodine solution. The yellow‑brown iodine turns blue‑black. Which conclusion about the food sample is correct?
- 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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