which event always involves a chemical change?\no boiling\no melting\no conducting\no burning
which event always involves a chemical change?\no boiling\no melting\no conducting\no burning
Answer
Brief Explanations:
Boiling and melting are physical changes as they involve changes in state without altering the chemical composition. Conducting is a physical property - related process. Burning is a chemical change as it involves a substance reacting with oxygen to form new substances.
Answer:
burning