CBSE 2025 · Region 3 · Set 1 · Q17 · 1 mark
Assertion (A) : Hydrogen gas is not evolved when a metal reacts with nitric acid.
Reason (R) : Nitric acid is a strong reducing agent and reduces the hydrogen produced in the reaction to water.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Assertion (A) is true, but Reason (R) is false.
Acids, Bases and SaltsChemical Properties of Acids and BasesAnalyseassertion_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.