CBSE 2025 · Region 2 · Set 3 · Q1 · 1 mark
In the electrolysis of water, the mass ratio of hydrogen and oxygen gases liberated at the electrodes is :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle 1$ : $\displaystyle 8$
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CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.