BI-1324
Food tests
Biology · Secondary 4 · Medium · Food tests
A solution gives a brick-red precipitate with Benedict’s test, a purple colour with biuret test, a cloudy white layer with ethanol emulsion test and a blue‑black colour with iodine test.
Which nutrients are present in this solution?
Which nutrients are present in this solution?
- Reducing sugar, protein and fat only
- Reducing sugar, protein and starch only
- Reducing sugar, fat and starch only
- Reducing sugar, protein, fat and starch
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.