Question

what type of change occurs when the substance you start with is the same as the substance you end with?
neither a chemical nor physical change
a physical change
a chemical change
both a chemical and a physical change

Explanation:

In a physical change, the substance's chemical composition remains the same before and after the change. In a chemical change, a new substance is formed. Since the starting and ending substances are the same, it is a physical change.

Answer:

B. A physical change