BI-1257
Food tests
Biology · Secondary 4 · Easy · Food tests
A student tests a food sample for reducing sugar using Benedict's solution and heating in a water bath.
Which observation correctly shows that reducing sugar is present?
Which observation correctly shows that reducing sugar is present?
- Solution changes from blue to brick‑red with a precipitate.
- Solution changes from blue to purple.
- Solution changes from blue to black.
- A cloudy white emulsion forms on top of the solution.
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