Chemical Reactions and Equations

CBSE Class 10 · Science · 31 past questions

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1. Q6 2026

   A student notices that her silver jewellery turned dull and had a grey-black coating over it after wearing…

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2. Q25 2024

   MnO$_2$ + 4HCl $\to$ MnCl$_2$ + 2H$_2$O + Cl$_2$…

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