Question

a chemical reaction that has the general formula of ab → a + b is best classified as a reaction.

Explanation:

A decomposition reaction is a type of chemical reaction where a single compound (in this case \(AB\)) breaks down into two or more simpler substances (\(A\) and \(B\)). This matches the general formula \(AB
ightarrow A + B\) provided in the question.

Answer:

decomposition