Question

Based on the results of this lab, write a short paragraph that summarizes how to distinguish physical changes from chemical changes.

Answer 1

Answer: Physical changes occur when the properties of a substance are retained and or the materials can be recovered after the change. Chemical changes involve the formation of a new substance. The formation of a gas, solid, light, or heat is possible evidence of chemical change.

Step-by-step explanation:

Answer 2

A physical change is reversible, a chemical change is not. A physical change is a change in which no new substance is formed; a chemical change results in the formation of one or more new substances