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Science · 2025 · 1 mark
CBSE 2025 · Region 3 · Set 1 · Q1
Consider the following chemical equation: pAl + q H_2 O → rAl_2 O_3+ s H_2 To balance this chemical equation, the values of 'p', 'q', 'r' and 's'…
Consider the following chemical equation : \[\mathrm{pAl}+\mathrm{q} \mathrm{H}_{2} \mathrm{O} \longrightarrow \mathrm{rAl}_{2} \mathrm{O}_{3}+\mathrm{s} \mathrm{H}_{2} \] To balance this chemical equation, the values of 'p', 'q', 'r' and 's' must be respectively:
Official answer
(C)
$\displaystyle 2, 3, 1, 3$
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