Question

3. Which describes how chemical changes are different from physical changes? (2 points)

Chemical changes can be measured, but physical changes cannot.
Chemical changes involve the formation of a new substance.
O Chemical changes release energy, but physical changes absorb energy.
Chemical changes cannot be caused by oxygen.

Answer 1

Chemical changes involve the formation of a new substance.

Step-by-step explanation:

The main difference between chemical and physical changes is the fact that chemical changes involve the formation of a new substance, results in a new substance. When a physical change occurs, this does not lead to bonds being broken or formed. The properties of the elements involve do not change. This includes changes such as changes of state. Physical change will result in a different state of matter.