Four solutions were tested with Benedict's solution. The table shows the colour of the solutions after testing. [Table with solution number and colour: 1 green, 2 blue, 3 brick red, 4 yellow] Which row shows solutions that could have given these results?
✓ Correct Answer
The correct answer is A: solution 1: 0.05% reducing sugar, solution 2: 0.5% non-reducing sugar, solution 3: 1.0% reducing sugar, solution 4: 0.1% reducing sugar
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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