Question

a change that produces matter with a different composition is called a

a chemical change

b radical change

c physical change

d transformational change

Explanation:

A chemical change involves a transformation where new substances with different compositions are formed. A physical change only alters physical properties like state or shape without changing the composition. "Radical change" and "transformational change" are not standard scientific terms for this specific concept in chemistry.

Answer:

A. chemical change