BI-80
Food tests
Biology · Secondary 3 · Easy · Food tests
A food sample is tested with Biuret solution.
Which observation shows that protein is present in the food?
Which observation shows that protein is present in the food?
- Solution changes from blue to purple.
- Solution changes from blue to brick-red.
- A cloudy white emulsion forms.
- Iodine solution changes from brown to blue-black.
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