Question

15 mark for review in a chemical reaction a chemical bonds can be formed or broken b energy is either released or absorbed c compounds are either broken down or formed d all answers are correct.

Explanation:

In a chemical reaction, chemical bonds are indeed formed or broken. This process involves energy changes - energy is either released (exothermic) or absorbed (endothermic). Also, compounds can be broken down into simpler substances or new compounds can be formed from simpler substances.

Answer:

D. All answers are correct