Question

What is a chemical reaction?
any body pls in a correct answer I have an exam

Answer 1

A chemical reaction is a process that results in the chemical conversion of one set of chemical substances into another.

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. ... Burning wood is an example of a chemical reaction in which wood in the presence of heat and oxygen is transformed into carbon dioxide, water vapour, and ash.