BI-1387
Food tests
Biology · Secondary 4 · Medium · Food tests
A food sample is tested with Biuret solution, Benedict’s solution and ethanol emulsion. The results are:
- Biuret test: blue
- Benedict’s test (heated): brick-red precipitate
- Ethanol emulsion test: milky white
What does the sample contain?
- Biuret test: blue
- Benedict’s test (heated): brick-red precipitate
- Ethanol emulsion test: milky white
What does the sample contain?
- protein and reducing sugar only
- reducing sugar and fat only
- protein and fat only
- protein, reducing sugar and fat
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