Firecrackers: Exploring How They Work and Proper Usage

The video tutorial explains the structure and usage of firecrackers, detailing their chemical composition, which includes black powder made of potassium nitrate, charcoal or sugar, and sulfur. It describes the reaction process leading to an explosion, highlighting the role of each component. The tutorial emphasizes the importance of safety precautions, advising that firecrackers should be used under controlled conditions and never modified. It warns of potential damage if misused.

Explain the chemical reaction that occurs when a firecracker is ignited.

What can happen if firecrackers are not used as intended?