Question

Which describes how chemical changes are different from physical changes?

Chemical changes can be measured, but physical changes cannot.

Chemical changes involve the formation of a new substance.

Chemical changes release energy, but physical changes absorb energy.

Chemical changes cannot be caused by oxygen.

Answer 1

@Falkqwer @agent0smith @itsmylife

Answer 2

Its B
Chemical changes involve the formation of a new substance.

Answer 3

Thank you so much :)

Answer 4

np :)

Answer 5

thanks alot :)