CBSE 2024 · Region 1 · Set 1 · Q3 · 1 mark
Two among the three components of DNA are $\displaystyle \beta$-D-$\displaystyle 2$-deoxyribose and a heterocyclic base. The third component is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Phosphoric acid
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CBSE Class 12 Chemistry past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.