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Science · 2026 · 1 mark
CBSE 2026 · Region 5 · Set 1 · Q18
Which of the following set of compounds does not belong to same homologous series?
Which of the following set of compounds does not belong to same homologous series?
Official answer
(D)
$\displaystyle \mathrm{C}_{4} \mathrm{H}_{8}$ and $\displaystyle \mathrm{C}_{5} \mathrm{H}_{12}$
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CBSE Class 10 Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.