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Science · 2024 · 1 mark
CBSE 2024 · Region 2 · Set 1 · Q17
Assertion (A) : Different metals have different reactivities with water and dilute acids.
Reason (R) : Extraction of a metal from its ore depends on its position in the reactivity series.
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
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CBSE Class 10 Science past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.