Classifying Classify each of the following examples as a physical change or a chemical change

chemical-changes
physical-change

#1

Classifying Classify each of the following examples as a physical change or a chemical change.
a. crushing an aluminum can
b. recycling used aluminum cans to make new aluminum cans
c. aluminum combining with oxygen to form aluminum oxide

Answer:

Crushing an aluminum can doesn’t form new substances. Therefore, it is a physical property.