Chemical Reactions and Equations

CBSE Class 10 · Science · 31 past questions

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1. Q11 2025

   Consider the following chemical equation…

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2. Q12 2025

   Electrolysis of water is a decomposition reaction. The mass ratio ($M_H : M_O$) of hydrogen and oxygen gases…

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3. Q15 2025

   For Questions number 17 to 20, two statements are given — one labelled as Assertion (A) and the other…

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