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CAIE A-Level Biology 2.1.1 Benedict’s Test for Reducing Sugars Question Bank

Practise Benedict’s-test questions by adding reagent, heating safely and interpreting blue-to-green, yellow, orange or brick-red results for reducing sugars.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • add Benedict’s reagent and heat the sample before judging a reducing-sugar result
  • interpret green, yellow, orange or brick-red precipitate as a positive reducing-sugar test
  • separate direct reducing-sugar evidence from non-reducing sugar tests after hydrolysis

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