Question

A blue colour flam produce very little light......​

Answer 1

$\huge\green{ᴀɴՖᴡᴇʀ}$

• Depending on the lighting, you may have actually seen the soot rising ... A small yellow colour tip may be present. ... LPG (propane) also burns with a blue flame colour.

Answer 2

Answer:

A blue-coloured flame which produces very little light is called nonluminous flame. A nonluminous flame is obtained when the fuel undergoes complete combustion a nonluminous flame is produced. A fuel undergoes complete combustion only when the supply of air or oxygen is sufficient.

Explanation: