Question

Why Combination reactions are called opposite of decomposition deaction.​

Answer 1

Answer:

In Decomposition reaction a single substance decomposes to form two or more substances. This is exact opposite of Combination reaction in which two or more reactants combine to form a single product that is why decomposition reactions called the opposite of combination reactions

Answer 2

Explanation:

in combination reaction multiple products reacts to form single product while in decomposition reaction single product form multiple products. Decomposition is opposite of combination because combination has 1 reactant while decomposition has 1 product.