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Science · 2026 · 1 mark
CBSE 2026 · Region 5 · Set 2 · Q19
In the following diagram, if acetic acid of same concentration is taken in place of dilute sulphuric acid, then

Official answer
From CBSE’s own marking scheme for this paper.
(C)
The amount of $\displaystyle \mathrm{H}_{2}$ gas evolved in less amount.
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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.