Question

Which best describes why a chemical change is different than a physical change?

A. A chemical change results in a different state of matter, and a physical change results in a new substance being formed.

B. A chemical change is used to identify characteristics of a substance, and a physical change identifies the behavior of a substance when in a reaction.

C. A chemical change results in a new substance being formed, whereas a physical change will result in a different state of matter.

D. A chemical change is used by scientists to create new substances, and a physical change happens naturally.

Answer 1

C. A chemical change results in a new substance being formed, whereas a physical change will result in a different state of matter.

Answer 2

C Because a chemical change changes the substance into a new one as a physical change is like cutting a piece of paper
its still paper