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:A luminous object is one that?Which of the following is not luminous object?The characteristic colour of the flame shown when a…A compound gives an orange-red colour to…Cassava is cultivated in many ecological zones…