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  9. Q48

OPSC OCS 2024 · Question 48 of 99

Which of the following is a non-reducing sugar:

Science & Tech

  1. AGlucose
  2. BMaltose
  3. CSucroseCorrect
  4. DFructose

Answer: C. Sucrose

Explanation

Sucrose does not have a free aldehyde or ketone group, so it cannot reduce Fehling’s or Benedict’s solution. Glucose, maltose, and fructose are reducing sugars.

Source: OPSC OCS Prelims 2024 GS Paper-I; answers per StudyIQ unofficial key

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