Answer :
Reactions involves a single compound producing two or more simpler substances. The decomposition reaction is the right response.
Multiple products are created from a single reactant in a decomposition process. When a chemical and oxygen are combined, the result is a combustion reaction that produces oxides of other elements as a byproduct (although nitrogen atoms react to make N 2).
Decomposition reactions occur when complex chemical entities split apart into smaller components. Decomposition reactions often demand energy input. For instance, the thermal breakdown of potassium chlorate (KClO3) is a typical technique used in laboratories to generate oxygen gas.
When one reactant disintegrates into two or more products, the reaction is said to be in decomposition. This can be modelled by the all-inclusive formula AB = A + B. The conversion of water to hydrogen and oxygen and the breakdown of hydrogen peroxide are two examples of decomposition reactions.
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