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Science · 2023 · 1 mark
CBSE 2023 · Region 2 · Set 2 · Q1
During electrolysis of water, if the volumes of oxygen and hydrogen evolved at the electrodes are $\displaystyle \mathrm{V}_{\mathrm{O}}$ and $\displaystyle \mathrm{V}_{\mathrm{H}}$ respectively, then $\displaystyle \mathrm{V}_{\mathrm{O}} / \mathrm{V}_{\mathrm{H}}$ is
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{1}{2}$
CBSE Class 10 Science past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.