BI-143
Food tests
Biology · Secondary 3 · Easy · Food tests
A student wants to test a food sample for the presence of reducing sugar.
Which procedure should the student use?
Which procedure should the student use?
- Add iodine solution to the food and look for a blue‑black colour
- Add Benedict’s solution to the food and heat in a water bath
- Add ethanol then water and look for a cloudy layer
- Add biuret solution and look for a purple colour
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