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Science · 2025 · 1 mark
CBSE 2025 · Region 2 · Set 2 · Q3
A few pieces of granulated zinc are taken in a test tube and 2 mL of sodium hydroxide solution is added to it. When the contents are warmed, the…
A few pieces of granulated zinc are taken in a test tube and $\displaystyle 2$ mL of sodium hydroxide solution is added to it. When the contents are warmed, the product formed is :
Official answer
(C)
$\displaystyle \mathrm{Na}_{2} \mathrm{ZnO}_{2}$
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CBSE Class 10 Science past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.