CBSE 2025 · Region 2 · Set 1 · Q17 · 1 mark
Assertion $\displaystyle (A)$ : The metals high up in the reactivity series cannot be obtained from their compounds by heating with carbon.
Reason (R) : Displacement reactions can also be used to obtain metal.
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
Metals and Non-metalsOccurrence and Extraction of MetalsAnalyseassertion_reasonmedium
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CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.