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Science · 2024 · 1 mark
CBSE 2024 · Region 1 · Set 1 · Q7
$\displaystyle \mathrm{MnO}_{2}+4 \mathrm{HCl} \rightarrow \mathrm{MnCl}_{2}+2 \mathrm{H}_{2} \mathrm{O}+\mathrm{Cl}_{2}$ The reaction given above is a redox reaction because in this case :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle \mathrm{MnO}_{2}$ is reduced and HCl is oxidised.
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CBSE Class 10 Science past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.