a chemical reaction is a process where two substances are combined which then ... become a new product. stay…

a chemical reaction is a process where two substances are combined which then ... become a new product. stay the same product. have a negative effect.

a chemical reaction is a process where two substances are combined which then ... become a new product. stay the same product. have a negative effect.

Answer

Brief Explanations:

A chemical reaction involves substances combining to form new substances with different chemical properties.

Answer:

become a new product.