what is flame class 8

Flame class 8 is not a commonly used term in the context of combustion and flames. However, based on the search results, it seems that "class 8" refers to the 8th grade level in the CBSE (Central Board of Secondary Education) curriculum in India, where students learn about combustion and flames. In this context, "flame" is defined as a region of burning gases generated by the combustion of a substance. The search results provide information on the definition and types of flames, the chemical reaction of combustion, and the environmental impact of burning fuels.