Which option correctly describes a reactant?

Question

Responses

a substance that is burned and destroyed during a chemical reaction
a substance that is burned and destroyed during a chemical reaction

a substance that enters into a chemical reaction and is changed by that reaction
a substance that enters into a chemical reaction and is changed by that reaction

a substance that forms as a result of a chemical reaction
a substance that forms as a result of a chemical reaction

a substance that is present during a chemical reaction but is not affected by that reaction

Answer 1

The correct option that describes a reactant is:

a substance that enters into a chemical reaction and is changed by that reaction.

Reactants are the starting materials in a chemical reaction that undergo a transformation to form products.