How many zones are present in a luminous Bunsen burner flame? by Sunday | Apr 17 | Chemistry NECO | 0 comments A. 2 B. 3 C. 4 D. 5 E. 6 Correct Answer: Option C – 4 Users Also Read These:If one of the following oxides is heated with…Which of the following is not luminous object?Which of the following compounds will burn with a…Which of the following is not self-luminous?A compound that gives a brick-red colour to a…