What is the name for a substance formed in a chemical reaction?
reactant
enzyme
catalyst
product

The correct answer would be product.

Chemical reaction can be defined as the process of rearrangement of chemical bonds between atoms. It leads to the chemical transformation of one substance into another.

The substance(s) undergo in a chemical reaction is termed as reactant(s). It is written on the left hand side of the arrow in a chemical equation.

The substance(s) which is formed after a chemical reaction is termed as product(s). It is written on the right hand side of the arrow in a chemical equation.

The catalyst is a substance used to accelerate the chemical reaction in a particular direction without being consumed in the reaction. It is usually written on the top of arrow.

The arrow in a chemical equation always faces towards the product.

For example, in below mentioned two reactions:

your the dumbest b**tch ive ever seen

the form of energy changes and the total energy increases0l