Question

in which zone of a candle flame A partial combustion of fuel takes place and B complete combustion of fuel takes place?

Answer 1

partial combustion occurs in the lower i.e. blue zone
complete combustion in upper
i.e. yellow zone

Answer 2

Answer:

Ans. - A flame is a region where combustion or burning of a fuel (in its gaseous form) takes place to produce heat and light. Q3. - Give the term used for the lowest temperature at which a substance reacts with oxygen to give heat and light.