Question

Which of these changes do not involve forming or breaking chemical bonds?

A. burning and melting
B. rusting and cutting
C. burning and digesting
D. boiling and melting

Answer 1

Hello, the correct answer to your question is, D. boiling and melting

I hope this helped!

Answer 2

The correct answer to this question D - The only changes listed which do not involve forming or breaking chemical bonds would be boiling and melting. Boiling and melting are physical changes rather than chemical changes, so no new products are formed.