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Science · 2024 · 1 mark
CBSE 2024 · Region 5 · Set 1 · Q1
To balance the following chemical equation, the values of the coefficients $\displaystyle x, y$ and $\displaystyle z$ must be respectively: \[x \mathrm{Zn}\left(\mathrm{NO}_{3}\right)_{2} \xrightarrow{\Delta} y \mathrm{ZnO}+z \mathrm{NO}_{2}+\mathrm{O}_{2} \]
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle 2,2,4$
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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.