Meghna Choudhary

Candle flames always fascinated me as a kid. I wondered what substance it was. But I knew one thing that it was different from other common substances, and we controlled it when we wanted it, with a match or lighter. Little did I know that it’s not a substance at all. It’s a chemical reaction, an event, not a noun. It’s precisely defined by RM Fristom in his textbook as “An exothermic chain reaction that can propagate subsonically through space.” Here, the exothermic chain reaction is mostly a combustion reaction. It can be described by the overall reaction formula…read more on NOPR