the definition of a chemical is\na toxic substance made in a laboratory.\nan unnatural material added to…

the definition of a chemical is\na toxic substance made in a laboratory.\nan unnatural material added to foods.\nanything that has mass and takes up space.\nany substance that has a definite composition
Answer
Brief Explanations:
In chemistry, a chemical is defined as any substance with a definite composition. It doesn't have to be toxic, made in a lab, or unnatural. The description "anything that has mass and takes up space" is the definition of matter.
Answer:
any substance that has a definite composition