BI-1421
Food tests
Biology · Secondary 4 · Easy · Food tests
A food sample is tested with ethanol emulsion and then with iodine solution.
• With ethanol emulsion, a white cloudy layer appears.
• With iodine solution, the colour remains yellow-brown.
Which nutrients are present in this food?
• With ethanol emulsion, a white cloudy layer appears.
• With iodine solution, the colour remains yellow-brown.
Which nutrients are present in this food?
- Fat only
- Starch only
- Fat and starch
- Neither fat nor starch
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