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:How many electrons are present in 9//4Be2+?Non-luminous object can be seen because they?How many standard time zones will a country with a…Which of the following is not self-luminous?A compound that gives a brick-red colour to a…