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Science · 2026 · 1 mark
CBSE 2026 · Region 1 · Set 3 · Q20
The hydrocarbons with general formula $\displaystyle \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}}$ represents :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
alkene
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CBSE Class 10 Science past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.