Question

Use the picture to determine if a chemical reaction has occurred. A nail rusting.


Yes, a chemical reaction has occurred.

No, a chemical reaction has not occurred.

Answer 1

Yes, a chemical reaction has occurred. Rusting of a nail is an example of a chemical reaction, specifically the oxidation of iron that forms iron oxide (rust) when exposed to moisture and oxygen.

Answer 2

Use the picture to determine if a chemical reaction has occurred. Fireworks exploding in the sky.

Answer 3

Yes, a chemical reaction has occurred. The explosion of fireworks involves a chemical reaction that produces light, heat, sound, and various gases, resulting from the combustion of combustible materials and oxidizers in the fireworks.