Question

Define burning. What type of change is it?${\mathrm{CO}}_2$

Answer 1

Burning:

• Burning is a chemical change because, as a result, a new substance is formed with different chemical properties.
• Example: Candle or woods burn with the release of Carbon dioxide (${\mathrm{CO}}_2$) and heat, which is an irreversible and permanent change.
• Burning also takes place with the release of energy, Hence It is an example of exothermic reaction.
• Energy can be released in the form of light, heat or sound.