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Science · 2025 · 1 mark
Chemical Reactions and EquationsCombination and Decomposition Reactions1 markAnalyseassertion reason
CBSE 2025 · Region 5 · Set 1 · Q17
Assertion (A): Silver chloride turns grey in sunlight. Reason (R): Decomposition of silver chloride into silver and chlorine takes place by sunlight.
Assertion (A) : Silver chloride turns grey in sunlight.
Reason (R) : Decomposition of silver chloride into silver and chlorine takes place by sunlight.
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
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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.