Question

characteristics of non luminous zone in points​

Answer 1

1. non-luminous flame undergoes complete combustion as it utilise all the oxygen supply.
2. the non luminous zone is the hottest zone.
3. It is blue in colour.
4. the non luminous zone is also known as the outermost zone.

Answer 2

• non-luminous flame undergoes complete combustion .
• non luminous flame is the hottest zone
• it is blue in colour.