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Science · 2025 · 1 mark
CBSE 2025 · Region 4 · Set 1 · Q18
Assertion (A): Concentrated nitric acid is diluted by adding water slowly to acid with constant stirring. Reason (R): Concentrated nitric acid is…
Assertion (A) : Concentrated nitric acid is diluted by adding water slowly to acid with constant stirring.
Reason (R) : Concentrated nitric acid is easily soluble in water.
Official answer
(D)
Assertion (A) is false, but Reason (R) is true.
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CBSE Class 10 Science past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.