BI-956
Food tests (practical)
Biology · Secondary 3 · Hard · Food tests (practical)
A student tests four food samples for reducing sugar using Benedict’s solution. After heating, the colours obtained are shown.
• Distilled water: blue
• 0.2% glucose solution: green
• 0.5% glucose solution: yellow
• Fruit juice: orange
Which is the best estimate of the concentration of reducing sugar in the fruit juice?
• Distilled water: blue
• 0.2% glucose solution: green
• 0.5% glucose solution: yellow
• Fruit juice: orange
Which is the best estimate of the concentration of reducing sugar in the fruit juice?
- 0.1%
- 0.3%
- 0.5%
- 1.0%
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