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Science · 2023 · 1 mark
CBSE 2023 · Region 6 · Set 2 · Q1
To balance the following chemical equation the values of $\displaystyle x$ and y should respectively be : \[2 \mathrm{NaOH}+x \mathrm{Al}_{2} \mathrm{O}_{3} \longrightarrow \mathrm{yNaAlO}_{2}+\mathrm{H}_{2} \mathrm{O} \]
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle 1, 2$
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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.