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Chemistry · 2025 · 1 mark
CBSE 2025 · Region 7 · Set 2 · Q16
Assertion (A): Maltose is a reducing sugar. Reason (R): One of the two glucose units can open to expose free aldehydic group in solution.
Assertion (A) : Maltose is a reducing sugar. $\displaystyle \operatorname{Reason}(R)$ : One of the two glucose units can open to expose free aldehydic group in solution.
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
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CBSE Class 12 Chemistry past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.