Question

A ____________ reaction occurs when a substance is broken down into two or more simpler substances in a chemical reaction.

Answer 1

The reaction is called decomposition reaction in which substance(reactant) breaks down into 2 or more substances (products).

Answer 2

Answer: Decomposition

Explanation:

A chemical break down of a reactant into two or more products is known as Decomposition reaction. A substance decomposes to simpler substances.

It can be represented as:

AB → A + B

Example, water breaks down into oxygen and hydrogen

2 H₂O → 2 H₂ + O₂

Thus, the correct answer is:

A Decomposition reaction occurs when a substance is broken down into two or more simpler substances in a chemical reaction.