BI-209
Food tests
Biology · Secondary 3 · Medium · Food tests
A student tests a food sample. Benedict’s test gives a brick-red precipitate. Biuret test remains blue. Ethanol emulsion test gives a white emulsion. Iodine solution stays brown. Which main nutrients are present?
- Starch and protein only
- Reducing sugar and fat only
- Protein and fat only
- Starch, reducing sugar and fat
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