A decomposition reaction is a reaction in which a single compound breaks down into two or more simpler substances.
Which one of the following reactions is an example of decomposition reaction?
Asked in UPSC NDA 1 2022 · Topic: Physical and Chemical Changes, Solution (Definition and Characteristics of Chemical Changes (Chemical Reactions))
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Answer: B. 2AgCl(s) Sunlight → 2Ag(s) + Cl₂(g)
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