Question

tick the correct answer.
the zone of flame which has highest temperature is: (a) luminous (b) non-liminous (c) dark (d) none of these​

Answer 1

Answer:

b) non-luminous

Due to complete combustion, the outer zone is blue. This zone is the hottest in temperature when compared to the other zones. This blue coloured zone is the non-luminous part of the flame. The yellow colour region which is the bright part of the flame is the middle zone.

Answer 2

(c) dark

option c is the correct answer .