Which of the following is an indication of a chemical reaction? Ofreezing O melting O release of heat O all of the above

Question

asked Jul 4, 2022 11.5k views

1 Answer

Alexander Rautenberg · Answer 1 · 2022-07-08T19:37:10+0000

Answer:

• Release of heat.

Step-by-step explanation:

• In exothermic chemical reactions, heat is released due to multiple collisions of the reactant molecules.

→ Freezing and melting are physical changes.

• Other physical changes are;