Question

How does luminous flame differ from non luminous flame?

Answer 1

Ans: Substances which vaporize during burning gives flame. The substance which does not vaporize during burning does not produce flame. Flame is of two types. 1. Luminous flame 2. Non-luminous flame. (1). Luminous flame: A luminous flame is a bright yellow flame which gives of light. (2). Non-luminous flame: A non-luminous flame does glow as bright as luminous flame. It undergoes complete oxidation, so it gets much hot (high temperature) than luminous flame.