Question

What is a chemical change?

A change in matter from one form to another that doesn't result in a different substance
A gravitational pull that results in a different substance
A reaction or change in a substance that creates more of the same substance
A reaction or change in a substance that results in a different substance

Answer 1

D. A reaction or change in a substance that results in a different substance

Explanation:

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances.