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Chemistry · 2024 · 2 marks
CBSE 2024 · Region 4 · Set 1 · Q21
(a) What happens when glucose reacts with bromine water? Write chemical equation. (b) Two bases are mentioned below, identify which is present in DNA…
(a)
What happens when glucose reacts with bromine water ? Write chemical equation.
(b)
Two bases are mentioned below, identify which is present in DNA and which one is present in RNA :
(i)
Thymine, (ii) Uracil. $\displaystyle \mathbf{1} \boldsymbol{\times} \mathbf{2}$
Marking-scheme solution
(a)
(b)
Thymine – DNA, Uracil – RNA
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CBSE Class 12 Chemistry past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.