Decomposition reaction: A single reactant breaks down into simpler products. Combination reaction: Two or more reactants combine to form a single product. Substitution reaction: An atom or group is replaced by another atom or group. Double decomposition reaction: Two compounds exchange ions or groups to form two new compounds.
Conversion of limestone to quick lime is an example of
Asked in UPSC CISF AC EXE 2021 · Topic: Physical and Chemical Changes, Solution (Definition and Characteristics of Chemical Changes (Chemical Reactions))
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Answer: A. decomposition reaction.
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